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General Requirements

BASE BUILD SPECIFICATIONS

RefDecriptionSpecification

GENERAL REQUIREMENTS1Design BriefThe high level requirement of the Lessee is for a world-class office space at par with the very best of such facilities across the country and will reflect positively on the Lessees image in the Indian context.

The building/campus should be a certified Green building (preferably platinum, at least Gold). In case any of the specifications indicated in this document conflict with the intent of achieving the above mentioned Green rating (Platinum or Gold), the Lessor has to put forth an alternative proposal to the Lessee for approval.

Overall, the building shall be designed and constructed to comply with the appropriate national and local Standards and Codes of Practice like NBCI (National Building Code of India), and to be specific (Bureau of Indian Standards) BIS and other codes wherever mentioned including and not limited to building byelaws, developmental control regulations and other relevant directives applicable by state or central authorities from time to time

The building shall be designed and constructed to include disabled wheelchair access and egress to the building and to all internal office and ancillary areas throughout the whole building.

2Design occupancy for all building services.The design basis for the services will be at a density of 75 sft per person Leasable area.3Car Parking 1 no per 600 sft. (Covered + Surface), single slots without any valet parking. Open car parks should not be more than 100 meters from the office space. The Two wheeler parking requirement would be over and above this ratio. 4Building waste Proper storage and disposal system to be provided. Disposal might be required several times a day. UG tank can be in the basement. STP & other waste disposal will be in open outside the building line at adequate distances ensuring free movement of fire truck around the building . Separate yard for hazardous and E-waste to be identified. The garbage disposal area is to be equipped with water supply and wastewater drainage facility. Garbage disposal area should be segregated for wet and dry waste separately.

5 ATM/Media Safe room/Inergen room/Server RoomProvide secure space for ATM at Ground level lobby (800 Kg/Sqm loading approximately to be considered). Provide additional load bearing capacity of slab for Media Safe room,Inergen & Server rooms loading of 800 kg/sq.m to be considered for this. This is generally on one or 2 floors. All locations to be agreed with the Lessee.6UPS roomProvide secure space for UPS room on all levels (1350 kg/sqm loading approximately to be considered). Location and size to be agreed with the Lessee. At least one grid to be identified for the same. 7Statutory Approvals All related statutory approvals as per local Byelaws needs to be adhered prior to commencement of construction and post completion. Government notarized copy of all approval applications and the certifications received are to be handed over to Accenture. 8As-built drawings 2 sets of hard copies and one reproducible soft copy to be handed over to the Lessee at the time Handover of the building for Occupation.9Construction/Working Drawings A set of all drawings (Architectural and M & E related) shall be submitted in ACAD format to the Lessee. 10. O&M Manuals Lessor to handover all O&M Manuals and Handing over documentation of all installed equipment and systems to the Lessee at the time of Handover of the building for Occupation. The Handing Over documentation will include Catalogues, Operating manuals, As built drawings, Technical manuals, Testing and commissioning reports, Escalation chart with contact person and contact details.11ReceptionThe building shall have a reception area, which shall have a minimum of 2 floors height. The Reception area shall be located at the Main Entrance of the building and shall have finishes commensurate with the Reception of a world-class Office facility. The Builder shall restrict his services to providing space and Flooring, Plaster, Cladding, False Ceiling and all other services to the Reception area including electrical, HVAC, Fire detection and suppression systems, in consultation with Accenture. Furniture for the reception area shall be under the scope of Accenture.12Other ancillary areasA Bonded Store, Transport vendors Room, Driver Rest Room with toilets, Employee Change room with Toilets, Visitor Toilets, Employee Lounge area shall be provided at the basement. All these structures will be permanent and shall be a part of FAR/FSI. All locations shall be agreed with the Lessee.13Security KiosksThe Builder shall provide a Security Kiosk for the building. The Security Kiosk shall be strategically located at the Entry/Exit to the building. The Security Kiosk shall have conduiting from the Main Building, provided for services such as CCTV, Data/Voice, UPS Power, etc. 14InterconnectivityAll bldgs (in case of multiple bldgs) in the campus to be linked with underground trenches/hume pipes to facilitate laying of backbone cabling.15DowntimePost commissioning of the electrical systems, there can be no shut downs/downtimes on the critical electrical system from the Lessors side, apart from those mandated by the Lessee.Bypass provisions to be included in electrical systems to ensure that floor level isolation is possible.

16Plumbing, Drainage points & shaftsThe Lessor will have to provide multiple Plumbing and Drainage points at various locations in the bldg/campus apart from the Toilet banks. These locations will have to be agreed with the Lessee. Dedicated shafts for Plumbing to be provided, the same need to be accessible directly from the floor plate17Kitchens & CafThe Lessor will have to get all relevant permits and approvals associated with Kitchens. Plumbing and drainage systems should be designed to suit caf on ground floor. Suitable size of Kitchen Exhaust shaft to be planned .Service lift to be located such that it opens into the leased premises directly. Appropriately sized Grease trap to be provided at suitable location so as to have sufficient gradient. 18Rest Room / PWD Designi.Room size - Minimum size shall be 1500 x 1750, preferred size is 1800 x 2350 mm. - Provided is 1650 x 1900ii.Door should be sliding or opening outwards. Minimum clear opening of the door shall be 900 mmiii.Vertical/horizontal handrails and grab bars to be provided with 50 mm clearance from wall.iv.The WC seat shall be 500 mm from the floorv.Toilet floor shall have a non-slip surface without any Level differenceviGuiding block near the entry should have a textural difference (e.g. Undressed/Flamed Granite)vii.Light-weight door shutter should be provided.

19TOILETSToilets shall be designed and constructed as per Accenture standard density ratios(75 sq.ft per person) or NBC whichever is higher and as per Lessees brief, specifications & finishing schedule. There should be separate toilet blocks for ladies & Gents and the Ratio of toilets, ladies to gents to be considered is 60:40. For floor plates larger than 30,000 sqft, two banks of rest rooms to be created. This should be located diagonally opposite on the floor.

All toilet blocks shall have an agreed number of Disabled toilets (wheelchair accessible).

All activities in Toilets, including False ceiling, light fittings, Inline Exhaust fans, etc. shall be under Lessors scope and a minimum quality of works shall be maintained, as approved by the Lessee.

Typically Lessee will desire the following minimum standards in all toilets: Auto flush for urinals, There would be float glass mirror in front of the basin with mirror lighting on the top or sides as per architectural design Wall hung European type water closets, Granite partitions for urinals. Height/size of urinal partition to be reviewed by Accenture. The wash basins shall be counter sunk type with Granite counter top, and sides, Soap dispensers 1 no per each washbasin Automatic hand driers one per toilet Tissue paper holder near the wash basin Toilet paper holders for each WC Health Faucet for each WC Toilet entrance door shall be fixed with door closers. Solar water heating provision for all wash rooms with hot and cold water tap-off provision. Urinal sensors to be on AC charger with AC power point located above the ceiling. Height of modular partition for WCs to be reviewed by Accenture. Rest rooms to have sufficient isolation valves in piping to ensure at least partial availability for use in case of leakage.

&"Calibri,Bold"&11Prepared by DivyaSree Developers

Civil & Related Works


ASTRUCTURAL FRAMING SYSTEM1STRUCTURAL SYSTEMFramed Structure with RCC columns and RCC Flat Slabs with desired structural spans of not less than 10 m c/c with floor-to-floor height of minimum 4.2 m. The spans in the location of large rooms like Auditorium etc will need to be adequately designed to ensure column free spaces.The roof structure shall be designed to support the weight of a communication satellite. Size and dimensions will be advised by Accenture. Access to the roof to be provided to allow for cabling and maintenance. Allowance in structural design shall also be provided for erecting structural steel roof system for using the terrace as cafeteria in case required by Accenture. Ceiling heights and column drops need to be uniform across the floorsStructural Stability Certificate to be shared. The certificate to include Seismic stability and following codes IS 875 part1, 2&3; IS 1893; IS 456, IS 800 and should be from Structural Engineer to Town Planning 2CONCRETE MIX DESIGNConcrete mix design shall be in accordance with IS: 10262 & SP 23 with specified characteristic strength not less than the appropriate values given in IS 456. The design mix of grades to vary from M20 to M40 for various structural elements.3FORMWORKRigid Formwork to prevent loss of grout and mortar (i.e. water tight system) from the concrete and capable of providing a correct shape to the concrete and to give a good desired surface finish. 4REINFORCEMENTThe steel reinforcement shall be plain round mild steel bars to conform IS 432 (Part I) and for hot rolled mild steel deformed bars to conform to IS 1139 and for Cold twisted steel bars to IS 1786. 5CONCRETE PLACING AND COMPACTINGMethod of placing to be as specified in IS 456 and shall be such as to preclude segregation. As far as practicable, the placing shall be continuous until completion of the part of work between pre-determined construction joints as specified in IS 456. Concrete, during the operation of placing shall be thoroughly worked around the reinforcements, embedded inserts, sleeves, spaded against corners of formwork by rodding, or by any other approved means and thoroughly compacted complying to IS 3558 by mechanical vibrators to produce the desired concrete finish. Honey Combed surfaces are not acceptable - however if found in some cases these areas shall be grouted with rich mix mortar as directed6CURINGCuring shall be done as specified in IS 516. All the concrete shall be cured by keeping it continuously damp for the period of time required for complete hydration and hardening to take place. Fresh concrete surface to be kept moist for a minimum period of 7 days. 7TESTINGSampling and testing shall be in accordance to IS 1199, IS 516 & IS 456. Every batch of reinforcement bars received at the site are to be tested to conform to specified in the IS requirement8DESIGN LOADSDefault Design Load for slabs should be 4 KN/sq.m for live loads + 1 KN/sq.m for Partitions + 0.5 KN/sq.m for Ducting and false ceiling. However, specified areas like ATM enclosure, Media Safe room, Inergen cylinder room and UPS room would need additional load bearing capacity of the slab in locations identified by the Lessee. These loads have been captured in A-General Requirements.

Further to above, the structural design to also ensure coverage of:NBCI IS 875 Part 1, Part 2 & Part 3 (Materials, Live Load, Wind Load)IS 1893 2002 (Seismic Loads)IS 800 2000 (Steel Design)Local relevant regulations, developmental control rules & Bye laws

BCIVIL FINISHES1FinishesThe Developer shall provide for finishes equivalent to the best industry standards for IT/ITES Training facilities. External cladding, natural stone flooring and dado shall be resistant to staining and not contain porous surfaces. Best quality of sealants/ mastics is to be utilized to achieve good water tightness with no streaking or staining.

2Materials / Finishes are as specified belowMasonryMasonry for the external walls shall be of 200mm/150 mm/100 mm thk Concrete Solid block and for internal partition walls for services/ utilities shall be with brick/ concrete masonry. These are to confirm to IS 2185 & IS 2572. The mortar shall be prepared in accordance to IS 2250. Internal PlasterPlaster to the internal surface of walls shall be Non Lime Sand faced of average 12 mm thick or as per Tolerance of various mix ratios as per code. All the construction joints, junction between the block masonry and concrete works to be provided with galvanized chicken mesh / expanded metal lath 24 gauge of 12 mm wide projecting 50 mm on either side of the junctions. External PlasterExternal plaster shall be of 20 mm thick or as per tolerance applied in 2 coats with water proofing compounds. The plaster should be made even and be continuous without break to the full length of wall or natural breaking points such as doors windows and the like. WaterproofingAll wet areas like toilets, sunken portions, terraces and exposed roof surfaces are to be water proofed with either water proofing membrane type executed in accordance with approved manufacturers requirement, guidance, supervision and certification or the insulated water proofing using conventional Brick bat-coba. Lessor to provide minimum 10-year performance warranty.

In case, Lessee wants to take up any development on the terrace or any other area, which the Lessor has waterproofed, the Lessor shall spell out guidelines that shall be followed, so that the waterproofing shall not be disturbed. It is understood between both the parties that it will remain the Lessors responsibility to ensure leak proof terrace. Lessor shall provide column stubs above water proofing level as required by the Lessee.

CFLOORING

FLOOR PLATE AREAS: SCREEDINGThe Lessor will lay a screed of approximately 75 mm thickness on the structural floor to incorporate floor raceways to be carried out by the Lessee as part of its interior layouts. The maximum undulation allowable in the screed levels across the floor plate shall be +/- 3 mm.

STAIRCASE FLOORINGStaircase flooring to be granite/kota stone with anti-skid grooves.VITRIFIED TILE FLOORING IN TOILETSThe floor tiles of various sizes, colour, textures, type and pattern to be laid over a 20 mm thick cement mortar bed of 1: 4 with approved thickness, shade and shape of PVC tile spacers and corner beads. The corners and joints shall be finished true with approved, matching jointing compound. Skirting shall be of the same colour of the Vitrified tile provided for the flooring. The colour of the vitrified tiles shall be approved by Lessees interior Architect and Lessee.GRANITE FLOORING AND CLADDING IN CORRIDORS AND MAIN LOBBYThe Granite tiles shall be free from defects, should be hard, sound, durable and of uniform thickness. Polished granite stone shall have the exposed surface machine polished and edges of the stone shall be machine cut on all sides to full depth to achieve a paper joint. The minimum thickness of the stone should be 20 mm thick of varying sizes and patterns over 20 mm thick cement mortar bed of 1:4. Skirting shall be of the same colour of the granite provided for the flooring. VITRIFIED/GRANITE TILE DADO IN TOILETSFor skirting and Dado vertical surfaces shall be thoroughly cleaned and wetted and a 12 mm thick coat of cement mortar of 1: 2 with approved thickness, shade and shape of PVC tile spacers and corner beads. The corners and joints shall be finished true with approved, matching jointing compoundIPS FLOORING IN SERVICE AREA, COVERED PARKING AND OFFICE SPACEIPS flooring shall be carried out in accordance with IS 2571. This shall consist of cement concrete 1: 2: 4 with 12mm aggregate laid in panels to give a total thickness of 65 mm.The maximum undulation allowable in the IPS levels across the floor plate shall be +/- 5 mm.

D.JOINERY & OTHERSFlush Door & ShuttersFrames including the rebate, rounding and moulding shall be in 1st class timber of best quality, well seasoned and free from gap, knots, wraps, cracks, and other defects. The shutter shall confirm to IS 2202. Toilet doors to be finished on both sides in 1.5mm thick laminateFire DoorsFire doors shall be of proprietary make and shall confirm to applicable local fire regulation code or National Building Code. Developer shall also submit all relevant test certificates, which complies with, approved by the local Fire Dept. for the fire ratings as per the fire regulation code. All fire doors should have vision panel.Door fire rating to be certified and seal affixed on door.Doors to have door closures / floor springs with astragal plates

All Fire Exits, Electrical rooms, DG rooms, Fire Pump rooms, AHU rooms, UPS rooms and all shafts to have minimum 2hrs fire rated metal doors.

Service DoorsPressed metal framed doors shall be of 1.6 mm galvanized sheet confirming to IS 277 of 2 hours fire rated for service areas / ducts / shafts. Third party certification required for fire rating. IRONMONGERYAll Locksets, Door closers, panic bolts, lever handles shall be of brush finished stainless steel type as specified in list of approved make of materials -DORSET or approved equivalent

PaintingAll painting works to conform to IS 2395, Code of Practice for painting concrete, masonry and plaster surfaces.

Internal Paint shall be with plastic emulsion finished in three coats/ OBD / Texture Paint as defined in the Schedule of Finishes only in common areas.

External Paint shall be with elastomeric paint or Texture paint or Waterproof Cement paint finished in two coats and top sealer coat.


External Facade


EXTERNAL FAADE The Lessor is required to restrict use of glass on the external faade so as to optimise heat load and energy consumption. Fire certification for glazing/facade to be available (minimum one hour).GLAZING & ALUMINIUM WORKSDeveloper is required to indicate the type of glazing being proposed. All materials and workmanship shall comply with the following standards as mentioned below. Strip glazing/glazed windows should be of Unitized/Semi-unitized Double glazing on all sides of the buildingFaade / Strip Glazing & Aluminium WorksIS 875 (Part 3) - Code of Practice for Design loads for buildings and structures: Part 3 wind loads.

IS 1868 - Anodic coating to Aluminum members

AS 1288-1994 - Glass in buildings selection and installation.

BS 6262 - Glazing for buildings.

AS 2208 - Safety glazing material for use in buildings.

ASTM C 1036 - 85 - For glass.

ASTM C 1048 - 87 - For heat strengthened and fully tempered glass.

AS 2047 - 1996 - Aluminium windows for buildings/code of practice for installation and maintenance of aluminium windows in buildings.

AS 2039 - Methods of testing Anodic oxidationcoatings on aluminum and aluminum alloys.

AS 1580 - Methods of test for paints and related material.

AAMA 605.2 - Specification for high performance organic coatings.

Design to accommodate expansion and contraction of components without buckling, creating stress, for glass structural components, fasteners, joint seals and other damaging effects when subject to surface temperatures. No water infiltration shall occur when subject to the effect of water sprinklers at 5 lit/min per Sq Mtrs for 10 minutes under pressure of 150 kgs / sqm. The sealants used for weather seals shall not experience adhesive or cohesive failure.

Structural Glazing system shall be Unitized / Semi-Unitized

Glazing cleaning System - Provision will be made for accessibility from Roof top

All materials, labour accessories, equipment, tools and plant and incidentals required for providing and installing specified glazing, anodized aluminum, windows, doors, glazing, cladding and other items as called for in the drawings will be made by available. Vendor design to accommodate expansion and contraction of components without buckling, creating stress, for glass structural components, fasteners, joint seals and other damaging effects when subject to surface temperatures. No water infiltration shall occur when subject to the effect of water sprinklers at 5 lit/min per Sq Mtrs for 10 minutes under pressure of 150 kgs / sqm. The sealants used for weather seals shall not experience adhesive or cohesive failure.Shop drawings for all items of works are to be prepared and submitted for reference and to integrate with the Interior design.

The Lessor shall furnish all materials, labour accessories, equipment, tools and plant and incidentals required for providing and installing specified glazing, anodized aluminum, windows, doors, glazing, cladding and other items as called for in the drawings.

GlassAll glass and glazing materials shall be verified and co-ordinate with the applicable performance requirements.Glass shall conform to the quality, thickness and dimensional requirements specified in US federal specifications DD-G0451C OR equivalent Indian standard.All window units shall be of Double glazed

The glass shall have the following characteristics: -Glazing type - Unitized/Semi-unitized Double glazed Glass (External) - Imported reflective glass.Glass (Internal) - Clear toughened glass.Type - ToughenedManufacturer approved - Glaverbel or equivalent(External) Manufacturer approved - Saint Gobain /Modi / Asahi(Internal)Reflectivity - Developer to advise. Design to minimize air conditioning loads. Required U Value 4%.

Aluminium Composite Panels as per designColourSmoke Silver metallic / Grey metallic / Blue Grey Metallic or as approved equivalentBrand nameAlucobond/ Alpolic-FR/ Alibond/ Eurobond or EquivalentThickness4mm for external & 3mm for internal


Approved Makes


Approved Makes - Electrical Equipment / Components

SL #MATERIAL DESCRIPTIONMANUFACTURER / SUPPLIER1DG SETCummins / Caterpillar / MTU 2HV switchgearSiemens / ABB/Schneider 3TransformerUniversal / Voltamp / Kirloskar4LT Switchboard/MCC/DGCP/ Bus DuctReputed Local make having CPRI certified design.5TVSSASCO / Siemens 6HT & LT cablesNicco/ Asian/ Ravincab/Universal Primecab7Flexible Copper CablesReputed Local make having CPRI certified design.8H.T cable termination kitsRaychem 9LuminariesThorn/ Philips / Wipro/GE10Decorative / Landscape LuminariesK- Lite / Decon / Artlite11High efficiency fluorescent LampOsram/ Philips 12MCB/C Curve/ RCDsMDS-Lexic/Hager/ Schneider 13MCB DBsMDS-Lexic/Hager/ Schneider 14Modular Switches Anchor Roma/MK15Wires (FRLS Grade)Finolex / Farcom / RR Kable / Anchor / Rajnigandha


External Development


EXTERNAL DEVELOPMENT WORKSThe site perimeter shall be secured by the provision of a boundary wall of adequate height. (not less than 8 ft and having abutments to prevent ingress by scaling wall)

A good quality combination of hard / soft and feature landscaping is required with appropriate ground gradient and drainage.

The external landscaping will be laid out in such a way as to ensure access to all facades of the building by emergency service vehicles. External approach to and from the building will be safe and unobstructed for pedestrians and maintenance and emergency vehicles.

The landscape proposal shall be of low maintenance plantations suitable for local climate. Landscaping shall be of low aspect to facilitate security monitoring. Appropriate eco friendly initiatives shall be employed in the planning, execution, and maintenance of the landscape scheme. i.e. rain water harvesting, recycling of wastewater for irrigation, etc.

The internal roads shall be finished in concrete with stone/ pre-cast RCC kerbs, with RCC covered drains. The parking area and pathways shall be finished in heavy-duty concrete paver blocks. The entrance motor court shall be finished in granite cobblestones Street furniture and lighting posts/ bollards shall be provided keeping in mind proper aesthetics and to ensure sufficient illumination.

Goods Entrance - Provision is to be made for controlled deliveries to / from the building either at Ground or Basement Level. Specification to match functionality of the building.


Electrical & Related Services


ELECTRICAL & RELATED SERVICESStandards:The entire installation shall be designed to comply with the Indian Electricity rules, local statutory requirements and BIS.Design CriteriaThe existing Electrical infrastructure to be tapped to draw 3 Phase, 3 wire supply of requisite capacity. The power supply distribution shall be through UG cables. The total power requirement shall be arrived on the basis of 0.7 kVa per 100sft. of total rentable area. Full capacity oil type transformers (One or multiple nos) having 25% (Extra) reserve capacity over the estimated power requirement shall be installed at the substation within the premises. Voltage drop in the electrical system shall be limited to 5% at the farthest point.Voltage correction equipment shall be installed if the voltage variation exceeds +/- 6%.Captive power back up (as per specifications indicated in this document) shall be provided. Electrical control panel, cabling and earthing, exhaust and fuel piping, and acoustic treatment shall be included in this scope of workAutomatic switching of circuits shall be ensured to avoid manual operation in the event of grid/captive power failure and on resumption of power supplyMain Power Distribution SchemeGrid Power100 % Grid Power as primary source should be provided by the Lessor (The power requirement of 0.7 KVA per 100 sqft as agreed by Lessee).11kV or any other standard high voltage UG cable with associated switchgear shall be installed between the point of power supply identified by the local supply authorities and the clients premises. This shall include the metering equipment associated grounding and civil works.

The incoming supply shall be transformed to 415V using 1no. full capacity oil type transformer with off circuit taps of +2.5%, + 5%, + 7.5%. Oil filled transformer with OLTC/RTCC shall be installed If requiredThe 415V supply shall be connected to the cubicle compartmentalized type LT switchboard by 415V, 3ph., 4W, Aluminium bus duct in IP55 enclosure (supplied by Lessor).Power shall be distributed from the Main LT switchboard through two rising mains of requisite capacity (the 2 rising mains should be of the same rating n+1) to individual floors. A tap off provision for each rising main shall be made at each floor. A panel at each floor will be provided by the LessorThe Lessor would be required to provide dedicated feeders for the Lessees Raw Power, UPS and PAC systems. The numbers and ratings of these feeders need to be agreed with the Lessee. Energy meters should be provided at floor level to monitor energy consumption.

Apart from the above, the following cubicle compartmentalized sub distribution boards shall be designed, supplied & installed by Lessor Street and Area Lighting panel Fire pump MCC Integration with BMS Hydro pneumatic system, Gravity flow system, Water Treatment Plant, Sewage Treatment Plant (if provided). Common area lighting

Captive PowerRedundancy over and above the peak demand should be made available as back-up @ 133% through Captive Power (DGs) by the Lessor, to cater to the unlikely event of failure of one of the Generators, when Grid Power is not available. One Generator (of capacity equal to the largest capacity generator designed) should be available as a standby in the event of generator failure. ( N + 1 configuration)Power back up shall be provided in the form of high-speed diesel generator sets with all accessories. The engines shall be water cooled with radiators. The nos and capacity of the DGs (to be provided by the Lessor) shall be worked out to achieve optimum efficiency of operation, which shall be approved by the Lessee.Auto start / Auto load sharing (Synchronization) control panel incorporating all safety features shall be designed, fabricated and wired. Secondary containment provision should be there for diesel tank & DG.Safety Features300mA sensitivity earth leakage circuit breakers shall be installed in the lighting & small power MCB panels for protection against electrocution. Cables above 50 sqmm should be XLPE cables.Over current, short circuit & earth fault relays shall be provided in all outgoing feedersLive parts of all equipment shall be shrouded. Finger touch proof wiring shall be ensured.

LightingComplete street and area lighting shall be supplied and installed to provide visual guidance and security lighting. Solar energy powered lighting can be explored for external lighting. Auto timer should be installed for perimeter lights. Metal Halide/Sodium vapour/Halogen lamps in appropriate luminaires shall be installed on poles.The lighting of service buildings shall be carried out using 2x36W Compact fluorescent luminaries and high efficiency LED lamps. The illumination level shall be 200 lux. Emergency lighting in all common areas like Toilets, lobbies, staircases, electrical rooms, DG rooms, AHU rooms and UPS rooms to be provided with LED light fixtures. Parking areas with T5 lamps. Cabling to be looped and connected to a dedicated DB, lessee to connect DB to a UPSGrounding (Earthing)TNS type earthing system with separate neutral & ground wires running all along the installation shall be adopted. Copper conductors should be used for earthing wires/strips running underground.Special soil treatment shall be adopted if the resistively exceeds 100ohm.metresAdequate no of earth electrodes meeting statutory requirements shall be provided. The system shall be designed to limit the earth impedance to less than 1 ohm. so as to ensure positive operation of the current operated safety devices.Lightning ProtectionLighting protection down conductor should be copper strip or copper cable instead of Galvanized Iron strip.415V SwitchgearThis shall be of the cubicle, compartmentalized, air insulated, indoor type with draw out type ACBs & fixed type MCCBs. The bus bars rated above 200A shall be of electrolytic grade aluminium. The lower ratings shall be of copper. The neutral bus shall be of half the rating as of phase bus bars for raw power distribution boards and same size in the case of lighting distribution. A continuous earth bus of galvanized iron shall be providedOver current, short circuit and earth fault protections shall be provided for all incoming and outgoing circuits on the main LT board.The main switchboard shall have requisite number of feeders including one spare feeder of each rating. Separate outgoing feeders shall be provided to cover fire pump, PF correction, external lighting, rising mains, utility loads and spares. Bus Ducts/CablesThe bus duct between transformer and main L.T board shall be of metal enclosed, resin cast IP 68 with aluminium bus bars supported on SMC insulators and complete with bends, switchgear and transformer end adopter boxes, flexibles etc, along with floor rising main with tap off provision and One Panel at each floor will be part of the Lessors scope. DBs for the respective floors will be under Lessees scope.The LT power cables of sizes 240 Sqmm and above shall be of XLPE insulated, armoured and FRLS grade PVC sheathed type with Aluminium conductors. The cables of lower sizes shall be of Copper conductor, FRLS grade PVC insulated, and armoured type. The control cables shall also be with copper conductors.Captive Power UnitsThe captive power units shall have high speed diesel engine drives operating at MV ( 415 V Phase-Phase). The diesel engines shall be either of the water cooled type with radiator cooling or with remote radiator and cooling tower combination.The DG sets shall be housed in acoustically treated enclosure ( indoor or outdoor depending on the concept catering to all CPCB norms). The control panels shall also be installed in the room.The alternators shall have 2/3 pitch and permanent magnet pilot exciter to handle harmonic currents likely to be generated by the UPS systems & VFDs.


Elevators

RefDescriptionSpecification

ELEVATORSThe elevators shall be of 2 types viz., passenger and service. Traffic analysis shall be carried out from a reputed 3rd party agency to determine the capacity and speed of the elevators and shared with the lessee along with lift serviceability certificates from approved public works department/ electrical department

In one lift bank -2 sets of Elevators are preferred .One set will operate from Basement to Ground Floor Garage elevators and one set will operate from Ground Floor to terrace. 2 If the floor size demands two Elevator Banks they will be designed such that they are opposite each other. Group of elevators in one lift lobby shall be synchronized to work in tandemThe following performance criteria should be kept as a basis during the elevator design.: Average wait interval between 25 and 30 seconds Handling capacity between 15% and 20% Speed 1.5 mts/sec

The specifications and interior finish shall be as follows All the elevators shall have Stainless steel cars, Infra red light curtain for doors, Over-load protection. Auto Rescue Device (ARD) shall be fitted in all elevators. Car in brush finished stainless steel of 304 grade complete with mirror paneling & S.S.hand rails. The flooring shall be of 19mm thick granite slab fixed with approved adhesive. The ceiling shall be decorative type with light fittings and exhaust fan. Staggered lift stoppages should be made possible. All lifts to be integrated with developers fire alarm system for lift grounding. Lift intercom facility should be at the security desk. Lift synchronization to be made available. Secondary floor recall to be available

Make of Elevators (Passenger / Service)Otis / Kone / Schindler /Mitsubishi


Allied Systems


IALLIED SYSTEMSa)Fire Detection & Alarm System The base building shall be provided with fire detection alarm system confirming to the National Building Code & locally applicable norms. The FACP shall be installed in the main security room Builders Fire panel to have soft integration provision with Accentures panel. Developer to address his detectors as per Accentures requirement. To enable this Notifier or EST can be selected for base building FAS. Fire alarm system to be available in basement too. AHU tripping to be enabled through builders fire panel.

SystemAnalog addressable type

Type of detectors (in common areas)Photoelectric high sensitivity detectors for general areas. Smoke/heat detector to be available in lift machine room.AccessoriesManual call points, hooters and fault isolation modules.Wiring Conduits to be FRLS.Base building PA system is conventional two way talk back type and cannot be integrated with tenants PA system.

b)Fire Protection Systems (FPS) StandardsNational Building Code/ Stipulation of Local Fire AuthorityType of SystemsHydrant System with pressurized Wet Riser in BuildingYard hydrants at regular intervals around Building.Sprinklers in stilt and office space Water supply storage at Ground LevelDedicated storage of 1,00,000 lts in U.G. Tank Dedicated storage of 100,000ltrs, subject to approval of local authoritya. Hydrant Systemb. Sprinkler SystemWater Storage at Terracea. Hydrant System20000 ltsb. Sprinkler SystemNoneSource of water supplyBorewell / bought out waterFire Hydrant PumpsA jockey pump to maintain pressure.One electrically driven pump with control panel located at the pump room One electrically driven pump with control panel at Ground Level.One electrically driven pump with control panel at Terrace LevelSprinkler pumpsOne electrically driven pump with control panel Note: The hydrant pump will also be used as a backup to the sprinkler pumps.Back up systemOne Diesel driven fire pump with auto start facility.Pipes for Fire Hydrant & Sprinkler Mains for common areas.Class 'C' GI pipes. These shall be protected against corrosion below ground level and painted in red above ground. Sprinkler tapoffs should be spread equally in the office area.Developer to install sprinkler headers and branches such that tenant can tap into the same to meet below ceiling requirement rather than running a separate network. Flow switch needs to be installed at each floor sprinkler line.All joints in the system shall be welded.

Piping Arrangementa. HydrantUG Pipes laid around the building with tapping at every 45M. One wet riser near staircase for every 1000 sqm area with first aid nose landing valve and nozzle in a cabinetb. SprinklerWet riser/s, as per national building code India, with branches at each floor with Zone Control Valves. Flow Switches and Control Panel for indication at Ground Floor. Continuous charge to be maintained at relevant pressure as per NBCIc. Fire brigade ConnectionShall be provided at convenient locationSprinkler - Type & SpacingPendant / Upright type at the ceiling level to be deployed as per NBCI, and no less thanOne for every 7 to 8sq. mts or 70 to 80 sft s for all common areas and office areas or as per local norms.. Further location of the sprinkler bulb will in coordination with the interior layout of the LesseeFire escape systemEgress requirement to be worked out based on Accenture standard density ratios & NBCI . This will help us to arrive at required number of staircases as well as width of the staircases.Staircases to be located such that the egress distance to be travelled from anywhere on the floor is not more than 45 mtrs for completely sprinklered buildings or 30mtrs for non-sprinklered buildings as specified in the NBCI for the relevant category of building.One of the fire escape staircases may be utilized as an internal staircase between floors One set of lights on all the stairs shall be on inverterFire extinguishers in common areasCapacity, Provision & Deployment-should be as per NBC & IS codes

c)Plumbing & Sanitary ServicesStandardsNational Building Code of India (NBC) Indian Standards (BIS)Source of WaterBore well or Bought out water. Lessor shall make provision for Muncipal/BWSSB water piping so that the Lessor can connect when the corporation supply is provided by the authorities.TerminationThe supply will be terminated in a UG tankWater Storage2 days requirement will be stored in Ground level tanks to meet domestic & flushing as per norms of local water supply authority. Provision of Hot water supply in all toilets preferably through Solar panels.Distribution SystemPumped water supply system with 15 psi pressure ensured at remotest point.

Pipe Sizinga. Max velocity in Main Lines. 10ft/secb. Max velocity in branch lines7 ft/secPumpsCentrifugal pumps for Conventional System or Hydro pneumatic System of proprietary design will be providedPlumbing Fixtures1st quality sanitary ware with CP fittings of approved type shall be installedMaterial for Pipesa. Water supply systemGI pipe class Bb. Drainage SystemCI Pipes & Fittingsc. Rain water pipes (Inside bldg)GI pipe class Bd. Rain water pipes (Outside bldg)PVC Pipes and FittingsStorm Water Drainage SystemTo be provided and connected to existing system. (Rainwater harvesting proposed)Sewage TreatmentNecessary sewage treatment plant to meet the local requirements shall be installed if the local authorities dont allow connection to the public sewage systemWater Treatment PlantBasic water Treatment Plant comprising of Pressure sand filter & Chlorinator with a set of pumpsUnderground Fuel storage Tank ( Yard)Min storage catering to at least 72 working hours (for the maximum designed connected load working continuously) to be provided with all the accessories such as pumps, centrifugal separator, panel etc. Water MetersSeparate inlet and outlet water meters for STP & WTP to track consumption. Water meters at each floor to measure the WTP consumption.Rain Water PipesNo rain water pipes (RWPs) should run inside/on the office floor. If unavoidable, to be closed with block wall on all sides.

d)ACCESS CONTROL SYSTEMProvision in the form of conduits shall be made for installing access control system.Accenture prefers to have all common areas controlled by its access cards.On a broad level access control is required for the following areas:

Control of all the doors in the basement and parking areas. This includes the staircase doors too.

Control of all the doors on terrace.Control of passenger lift lobby and service lift lobby doors.Control for all the peripheral (additional) spaces in the building.Control for all doors on additional (metal) staircaseControl for fire exit stairwells opening at ground levelAccenture will provide access cards to developer to allow their maintenance staff in these common areas.

e) CCTV SYSTEMPA SYSTEM Provision in the form of conduits shall be made for installing PA system. Provision & monitoring of peripheral and common areas through CCTV to be done by developer .Provision in the form of conduits shall be made for installing CCTV system at strategic locations.Provision of repeater monitors to Accenture BMS

f) BUILDING MANAGEMENT SYSTEMProvision in the form of conduits shall be made for installing BMS system.A dedicated shaft for laying conduits shall be envisaged for Access control, CCTV, BMS &FDA systems and for LV systems All high side equipment like Chillers (Chiller Plant Managers), AHUs (VFDs), DG sets (MDM), HSD tanks (Level switches) to have provision for monitoring by the Lessee


HVAC & Related Services


HVAC & RELATED SERVICESaIntroductionThe aim is to create a thermally controlled environment within the space of a building envelope by Designing and Planning a HVAC system for the Project with the objective that the system built is cost and energy efficient, environmental friendly as well as simple and flexible with regard to its operation and maintenance.

The system to integrate fully with the Building envelope for natural, normal behaviour as a whole in disposing off the heat gains or off-setting the heat losses to maintain the desired environment inside the space.

Note HVAC and All Related Services to be designed keeping in mind the design ratio 1:75.

bHigh Side EquipmentThis shall comprise of Centralized Water-cooled chiller packages complete with Screw or reciprocating compressors. Refrigeration used in the equipment shall be with R-134 A/R-407 C. Chiller Plant Manager capable of managing Chillers + Primary Pumpsets + Secondary Pumpsets to be part of Developers scope. VRF type chillers will also be an option. Primary and Secondary chilled water re-circulating pump sets. Secondary Chilled Water Pumpset should be of Variable Speed type, including standby Pumpset. Should have Variable Frequency Drives. Logic Control panel provided along with the secondary pumpset shall be with intelligent controller capable for hooking up the system to BMS via Software Integration. (Tech 5500 Controller). Cooling towers for the water cooled systems to be placed in a well ventilated location( either terrace or ground level) with necessary top up line from a treated water line ( preferably an STP).DP Sensor with control wiring in GI Conduit from all the chilled water shafts should be providedSuction Guides should be used for installation. All inlets & outlets of the piping shall be provided with Metallic Bellows. Both Primary, Secondary and Cooling Tower Pumpsets shall be housed on Inertia Blocks with Spring Isolators. Rubber Pads are not acceptable.Chilled water distribution system complete. Entire chilled water piping should be with MS Cclass piping. Further it should be with insulated R-PUF insulation finished with 24 G Aluminium cladding. Necessary Balancing valves in the Chilled Water circuit should be considered. Double skin chilled water Air Handling Units for the various floors. All Air-handling units should be suitable for Variable Air Volume system. Necessary Variable Frequency Drive required for varying the speed of the fan should be the Developers scope. Each Air Handling unit should comprise of Fan Section with Backward Curved fan & fan motor, 6 row Chilled water cooling coil (4 rows should not be used), filter section with 10 micron pre filter, mixing box with dampered outlets. Size of the dampers shall be given at a later date. VFD with Bypass Starter Arrangement in a sheet metal enclosure should be provided along with each air handling unit. Each VFD should be provided with Communication card for BMS integration.All equipment provided shall be designed for BMS compatibility. Along with compatibility, necessary hardware and software required for BMS Integration should be provided as part of the equipment by Developer. Balancing Valves used shall be of Semi-Automatic Type of reputed make such as TA Hydronics Sweden / Flowcon- USA. Before system is handed over, entire system should be balanced using computerized balancing instrument by the authorized manufacturers representative. Mechanical Exhaust system for Toilets @ 16 air changes as per latest ASHRAE Standards. Necessary Ventilators required for toilets for ventilation should be considered in the Building Design.Necessary Roof Insulation (preferably Under-deck Insulation) with Elastromeric-closed Cell Nitrile rubber insulation confirming to Class 1 standardsAll Necessary Hard ware / Software required for third party BMS System should also be captured during ordering any of the mechanical equipments.Air Conditioning of all Common Areas including low side ducting & air distribution system.

Systems should be designed so that the building is energy efficient and functional for part occupation. Hence configuration of the system should be mutually agreed between Land Lord & Accenture before it gets ordered on the principal manufacturer. Provision to be made available in the Building complex to add on, later, the following Equipment, services by tenant.

Ducting, air distribution system complete Chilled water Fan coil units for areas like UPS rooms etc Precision Packaged units with dual fluid (Chilled water, DX) system for Data centre, Communication room etc. Ventilation system / equipment for in the various utility areas floors.

cAmbient Design ConditionsAmbient design conditions should be considered as per ISHRAE recommendation for the location. DescriptionDry Bulb CSummer- 37.0 ; Monsoon-27.8; Winter-14.4Wet Bulb CSummer- 25.6 ; Monsoon-25.6; Winter-12.2

General Office Areas Inside Design Conditions - As per ASHRAE Standards, codes

23deg C +/- 1 deg C, Relative Humidity-Not exceeding 65%.Hub Rooms21 deg C +/- 1 deg C, Relative Humidity-Not exceeding 60%.Server rooms19 deg C +/- 1 deg C, Relative Humidity-Not exceeding 50+/-5%.dInternal LoadThe Internal load details for office areas shall be as underOccupancy75 sq.ft / personFresh Air requirements20.0 cfm per personLighting load1.5 W per sq ft.Power, equipment load etc2.5 W per sq ft.Data Centre equipment load 65 W per sq.ft (of Data centre area)

eVentilation Requirements As per ASRAE standards, codesi. Fresh AirThe fresh air Ventilation requirements to maintain the I.A.Q shall be 20 cfm / person ii. Exhaust VentilationToilets 20 Air changes / hr.As per Industry Norms. All the toilet areas should have external louvers for ventilation. Entire Toilet Exhaust system with above air changes is part of Developer. Auto On/Off system for terrace toilet and fresh air fans during power changeover to be providedElectrical & other services rooms1.16 Air changes / hr. As per Industry Norms. Entire Exhaust system with above air changes is part of Developer.2.Proper & improved thermal insulation of the DG room roof to prevent upward heat transmission into floors just above the DG room as well as adjacent to DG exhaust shaft.3.Separate pot hole to be provided in the DG exhaust system to facilitate measuring SOX & NOX levelsFood preparation AreasShall be maintained at a negative pressure relative to adjacent areas. As per Industry Norms. (Separate AHU to be provided). Provision of shaft is a part of Developer.KitchenOnly exhaust ventilation arrangement. As per Industry Norms. (Separate AHU to be provided) A shaft to be provided so a duct can go through. These should be placed around the building so that cafeteria can be placed anywhere. Shafts should not be too narrow or deep that cannot be used effectively. This should be separate to the toilet exhaust system. Provision of shaft is part of Developers scope.BasementAuto timer to be available for basement smoke extractorSystem Requirements: Refrigeration CapacityThe cooling load shall be estimated based on the following assumptions -a) All the window glazing and the glazed fenestration in the Building envelope shall be with double glazing with heat reflecting glass in all the orientation, at all levels and shall be provided with internal shading like blinds or curtains.

b)The structural elements like flooring; walls etc. shall be constructed of standard items of the industry. Materials shall be provided as per LEED Silver consultants approval.System Proposed Air Conditioning - General Office AreasMultiple Water cooled Chillers with Screw/Reciprocating compressors, shall be installed to meet the total refrigeration load and required redundancy. The Chillers shall be designed/selected to cater to the peak load as well as the part load (the peak load being arrived at by the landlords consultants and agreed upon by Lessee consultants) and one Chiller (having capacity equal to a minimum of 20% of the peak load) should be available as a standby in the event of chiller failure. (n + 1 Redundancy) The configuration and capacity of the Chillers provided by the Lessor should be approved by Lessee.

a. Multiple numbers of Primary Chilled Water re-circulating Pump sets (minimum 3 Nos of 50.00% capacity each) with 1 no.(of 50.00% capacity) as standby.b. Multiple numbers of Secondary Chilled Water re-circulating Pump sets (1W + 1S pump per sets) of required capacity with Variable Frequency Drive controls. c. Multiple numbers of cooling tower Water re-circulating Pump sets (1W + 1S pump per sets) of required capacity to be used. d. Top up water tank to be provided for the cooling tower system as found adequate with float valve . The output should be gravity flow. Not to connect hydro pneumatic directly to the float valve.e. The Chilled Water shall be distributed to the various Air Handling Units located at different floor levels through closed circuit Chilled Water Piping arrangement. The Chilled Water supply and return header connection with necessary controls shall be designed and installed for all the Air Handling Units. f. The Chilled water piping, Valves and Fittings shall be insulated and finished as per standards.g. The primary chilled water re-circulating pump sets shall ensure the required (constant) flow of water through the cooler of the chiller packages irrespective of the variation in the Building load. However the Secondary Chilled Water Re-circulating pump sets shall modulate the flow of chilled water through the various load centers (Air Handling units) to meet the varying demand of load. This arrangement shall save on electrical power / energy. h. The Chilled water Refrigeration plant and the circulating pump sets shall be installed in an open space on the terrace of the building or on the terrace of the services block

f Air Handling Units:The air-handling units shall be of Double skin construction, Horizontal and draw through type. These units shall be provided with variable frequency drive and control arrangement as to modulate the speed of the blower assembly there by varying the air quantity delivered in response to varying demand of load thereby saving the electrical power / energy. A BTU meter should be installed at each floor. Pressure gauges and temperature sensor should be provided for chilled water lines of each AHU.Lessor to make sure that the AHU rooms are constructed in accordance to Lessees internal fit-out layout. The Lessor needs to make provision for independent Water lines and Drainage points in all AHU rooms. There must be a separate place with bund wall inside all AHU rooms for filter cleaning. No inverted/drop beams should be on 3 faces of the AHU rooms.Noise level achieved at 1.5 mtrs should be lower of 55 dB or as per local PCB norms or ASHRAE standard.

Noise And Vibration Control:The system complete as well as the equipment shall be designed and installed with required provisions, to contain the noise and transmission of vibration generate while in operation, as to achieve the acceptable noise rating in the occupied areas. gThe main equipment comprising chillers and AHUs shall be mounted on Spring loaded supports complete with concrete base, inertia blocks Piping, Duct connections to the equipments shall be through flexible Sound attenuators shall be installed on supply and return air streamsThe HVAC equipment like Chiller Package, Circulating Pumps, AHUs, Ventilation Blowers etc., shall be provided with energy efficient drive motors as to have maximum saving on Electrical Power / Energy.


Telecom & Misc.


TELECOM & RELATED SERVICESTwo diverse OFC routes are required for the building/campus.Lessor to provide a minimum of 2 cable trenches from the public road to proposed buildings to carry incoming telecom cables. The trenches shall be independent of each other Two diverse interconnecting paths are required from other operational building in same campus. Minimum 2 hume pipes are required for each path. Size of the trenches shall be as per Accenture requirements, and the Builder shall consult Accenture prior to commencing construction of the same.If required by the Lessee, a separate vertical cut-out is to be provided in RCC slabs at all levels for routing cables between the Server and Hub rooms.

MISCELLANEOUSCONSTRUCTION SITE MANAGEMENTProtection of trees not affected by the works.De-wateringGroundwork, driveways, on grade car parks to be kept free of surface water. Provide and maintain slopes, drains on embankments and excavations to ensure satisfactory drainage.

Site WorksComply with all relevant authority requirements for minimizing dust and noise.

WATER CONSERVATIONStorm water Recycling -The possibility of collecting storm water run-off for reuse following appropriate pre treatment as either an irrigation supply or discharge the same into the ground. Also, Rain water Harvesting to be actively adhered to.

SIGNAGESToilets, Entry, Exit, push, pull, directional, stripping for parking on the pavement for individual vehicles, M & E equipment signages and all statutory signage shall be provided. Water proofing and suitable drainage arrangement shall be provided for garden areas in the building.Signages should be of Self Luminance typeLetter Dimensions: 6 inches x 2 inches

GENERALBuilding shall have ramps for disabled people entry to the buildingProvision for railings to the staircases on both sides such that the clear space is not compromised due to any projections or locations of handrails. (staircase clear width of 2 meters), Railings should also be provided for ramps, & balconies Flooring to all ramps will be provided.Suitable Cover to Expansion joints in the walls and flooring to match with the interiors and to ensure that no leakages from terrace through expansion joints shall be provided. All Parapet walls shall be in RCC / Block MasonryWater storage tank OHT and sumps with all pumps including standby pump, panels, pipes wastes, filtration if required and connection to main water supply complete shall be provided.In case Lessee needs to go in for any level differences within the facility (eg: Training rooms), which may require some kind of a solid platform building, then the Lessor should be able to factor that kind of loading on all RCC slabs.In case Lessee decides to go in for any additions/modifications to existing base build such as Cafeteria, UPS rooms, mezzanine etc, the course of action of getting approvals for the same should be clearly spelt out. The onus for getting all approvals shall be with the LessorServices core (AHU rooms, electrical rooms, plumbing shafts, etc) to be diagonally opposite on the floor.Separate shafts to be identified from day-one for LV, caf exhaust, plumbing shaft, etc.All shafts should be sealed with 2 hrs fire sealant at each floor level.Engineered marble should not to be used anywhere.Calibration certificates should be available for all the meters.All refuge areas to have water drencher at entrance and potable water point.All utility rooms to be access controlled and under CCTV coverage. Areas like DG sets and transformer yard (if outdoors) as well as diesel storage to be segregated by minimum 4 sided wire mesh fencing of sufficient height.Viewing of CCTV footage of developer's cameras in utility/peripheral areas should be allowed to Accenture. Separate storage areas for Hazardous Waste (Oil Sludge, etc)


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