construction staff training,discussion,learning & talk program
DESCRIPTION
-TRANSCRIPT
STAFF TRAINING,DISCUSSION,LEARNING&TALK PROGRAM
UPDATED BY : ASSIDDEK BIN TUAH
MING YOUNG CONSTRUCTION S/B
INTRODUCTION
STAFF TRAINING,DICUSSION,LEARNING & TALK PROGRAM
FOR : Syarikat Wawasan Cemerlang and Ming young construction Sdn Bhd
Organised by Chung Tshin Tshun
Attendant;-
1. _______________________________________2. _______________________________________3. _______________________________________4. _______________________________________5. _______________________________________
This training are purpose to give attendant additional knowledge regarding construction & site matters.
Basic of construction;- What is project? Who is client/owner? What is consultant? Who is clerk of work(COW)? What is project management consultant? What is contractor? What is drawing & construction drawing? What is shop drawing? Site organisation Project sign board Nominated Sub-Contractor
Duty of site supervisor:-
Asisst work arrange or ordered by Project Manager/Site Agent Arrange worker,material & equipment Prepare site daily report,weather report & machinery report
Basic preparation before work commencement;- Study the construction drawing Study the site condition/location/arrangement Preparation necessary document & paper works
TRAINING MODULE
NEW CONSTRUCTION SITE
Item Description Note/Remark
1.00
1.01
1.02
1.03
1.04
1.05
1.06
Module 1 – Site Preparation & Earthworks
Setting out works
Site survey (Boundry & Building)
Site preparation worksa) Site clearing worksb) Excavate & stop pile top soil (150mm)
Earthworks (Cut & Fill) a) Excavate & fill on site (225mm thick in layer) b) Excavate for soft rock (270 horse power ripper) c) Excavate for hard rock (explosive material) d) Excavate & cart away unsuitable material from site e) Excavate & cart away earth material from site f) Imported earth fill materials
Soil investigationa) Mackintosh probe test
Othersa) Embankmentb) Temporary earth drainc) Retaining structured) Detention ponde) Concrete wash pit
TRAINING MODULE
NEW CONSTRUCTION SITE
Item Description Note/Remark
2.00
2.01
2.02
2.03
2.04
2.05
2.06
Module 2 – Piling Works
Setting out works (Building)
Type of piles & lengtha) Timber pile (bakau/belian & treated timber)b) Concrete pile (square,spun) – 3m, 6m, 9m & 12mc) Bored piled) V pilee) Steel sheet pile
Method of pile drivinga) Drop hammer (depend on pile size, to be specified by engineer)b) Injection / hydraulicc) Boredd) Vibrator
Piling worksa) Intial pile (with head) & extension pileb) Jointing method (welding, socket)c) Cut off excess pile
Testing (test loading)a) Normally twice the working load of pileb) First load test & subsequent load testc) Report (by licensed firm) to be submit for consultant review
Record & Othersa) Piling record for every point / penetration / drop /setb) As-built setting out plan (pile point) by licensed surveyorc) Removal excess pile
TRAINING MODULE
NEW CONSTRUCTION SITEItem Description Note/Remark
3.00
3.01
3.02
3.03
3.04
3.05
3.06
3.07
3.08
3.09
3.10
Module 3 – Civil & Structural Works
Level & setting out works
Building concrete structure componenta) Pad fotting or pile capb) Stumpc) Ground beam & slabd) Columne) Floor beam & slabf) Roof beam & slabg) Staircaseh) Stiffener
Building steel structure componenta) Structure column (T column)b) Roof portal frame (T beam)c) Roof trusses system
Concrete componenta) Cementb) Fine aggregate (sand)c) Coarse aggregated) Watere) Admixture (retardant or superplasticiser)
Concrete mix grade (please refer to attachment)
Reinforcement bar / BRC mesh reinforcement (please refer to attachment)
Sawn formworks (please refer to attachment)
Anti-termite treatment
Damp proof membrane
External infrastructure worksa) Road worksb) Surface water drainage c) Water recticulation system & hydrantd) Sewerage workse) Fencing & gatef) Retaining walls / slope protectiong) Turfing (close & spot)h) Lanscaping works
TRAINING MODULE
NEW CONSTRUCTION SITE
Item Description Note/Remark
3.11
3.12
3.13
Testinga) All the raw material for concreting to be test first before useb) Trial mix / schedule testc) Test cube (3 set per each 7 days & 28 days)d) Slump test (please refer to attachment)e) Rebound hammer testf) Core test
Quality assurance & Quality control (QA & AC)a) To check formwork & reinforcement bar before castingb) To check quality of concrete mixc) Concrete cover to be apply for steel reincforcementd) All concrete to be vibrated during castinge) All concrete to be watering to maintain quality curing
QA & QC (from consultant / JKR)a) Daily site reportb) RFI form (request for inspection)c) To ensure works are in proper order
TRAINING MODULE NEW CONSTRUCTION SITE
Item Description Note/Remark
4.00
4.01
4.02
4.03
4.04
4.05
4.06
Module 4 – Mechanical & Electrical Works
Scope of worksa) Plumbing worksb) Electrical worksc) Mechanical worksd) Fire fighting & equipments
Normally will be done by sub-contractor, main contractor will provide necessary electrical, accommodation quarters, store for ease works
Plumbing worksa) Cold water supplyb) Waste / soil pipingc) Water tankd) Tap, valve, non-return valve, etc.e) Meter
Electrical worksa) Conduit & wiring worksb) Switch & socketc) Distribution board (MCB,ELCB,MCCB)d) Metere) Earthling system & lighting arresterf) Light fitting, fan, emergency light,etc.
Mechanical worksa) Ducting & ventilation systemb) Anything motorised
Fire fighting & Equipmentsa) Fire springkle systemb) Fire hose reel systemc) Fire alarm control paneld) Smoke detector, heat detector, break glass, sirene) Portable fire extinguisher (dry powder)f) CO2
TRAINING MODULE
NEW CONSTRUCTION SITE
Item Description Note/Remark
4.07 Authorities requirementa) SESB
Submission of drawing & PD9 form from consultant Letter from end user to SESB Submission of boring B & G, Licensed required Contribution fees (get the fee & pass to payee for payment) Connection & meter
b) Jabatan Air Submission all necessary document & licensed Letter from end user to Jabatan Air Contribution & meter
Quality Assurance & Quality Control (QA & QC)a) To make sure the sub-contractor works are in properb) To study the drawing (to make sure no hacking next time)c) To ask the sub-contractor question frequentlyd) To make sure conduit before concreting
Testing & Commissioninga) All electrical & plumbing works to be tested by our own
Sub-contractor and satisfy himself first with before inviteM&E consultant to come for inspection.
b) As-built M&E drawing is required by consultant
TRAINING MODULE
NEW CONSTRUCTION SITE
Item Description Note/Remark
5.00
5.01
Module 5 – Architectural Works
Roof covering & Accessoriesa) Metal roofing sheet / concrete roof tilesb) Sisalation paper c/w chicken wire meshc) Rock wool insulationd) Ridge capping, hip capping, valley gutter, etc.e) Gutter & rain water down pipe
Wall & partitionsa) Brickwall (115mm & 225mm)b) Concrete hollow block wallc) Gypsum board partition (skirting, angle, etc.)d) Cement board partitione) Damp proof course (bituminious felt, DPM)f) Additional stiffener (wall > 5m)g) Handrailing
Windowsa) Type of windows (sliding, top hung, fixed, casement, louvre,etc.)b) Aluminium windowsc) Timber c/w glassd) Lintol beame) Installation
Doora) Type of door (side hung, sliding, louvre, etc.)b) Aluminium doorc) Plywood door (flush door)d) Solid timber door e) Fire rated rated door (1 hr, 2 hr,etc.)f) Lockset, hinges, door closer, stopper, eye view, etc.g) PVC door (side hung, folding, etc.)h) Lintol beami) Installation
Wall finishesa) Cement / sand (1 : 3) plasteringb) Tiling works (ceramic, glazed, pattern, etc.)c) Painting works
For concrete surface (1 coat wall sealer & 2 finishing) For steel/wood surface (1 coat undercoat & 2 finish
d) Protruding feature
TRAINING MODULE
NEW CONSTRUCTION SITE
Item Description Note/Remark
5.06
5.07
5.08
5.09
5.10
Floor Finisheda) Cement / sand (1:3) screedingb) Tiling works (homogenous, polish, smooth, rough, etc.)c) Step nose tile /skirtingd) Carpet finish / underlaye) Floor finish (epoxy coating, hard, application)f) Installation (solid base, fall to outlet,etc.)
Ceiling finishesa) Cement/sand (1:3) plasteringb) Skim coatc) Suspended ceiling (g.i./timber)d) Type of suspended (gypsum board, cement board,timber, etc.)e) Panel size (600 x 1200, 600 x 600,etc.)f) Painting works
Sanitary Fittinga) W.C.> water closet (wash down, syphonic)b) Type of WC(pedestal & squatting)c) Wash hand basin (counter top, under counter)d) Urinal / separation panele) Soap holderf) Toilet roll holder (exposed, semi-recessed, full concealed)g) Tower railh) FT > floor trap / GT > gulley trapi) Tap (bib tap, pillar tap, etc.)j) Shower rosek) Bidet setl) Robe hook
Sundries worksa) Kitchen counterb) Basin counterc) Plinthd) Shower kerb
Furniturea) Loose furnitureb) Built-in furniture
Reference
CONRETE WORK
Table 1: Testing Of Aggregate
Propotise Type of Agregate
Test Method Limits
Grading Both MS30 Table 2 & Table 3Elongation Index Coarse MS30 Not Exceeding 30%Flakiness Index Coarse MS30 Not Exceeding 35%
Water Absorption Both MS30 Not Exceeding 8%Clay Lumps Coarse MS30 Not Exceeding 1% by weight
Clay, Silt and Dust Fine MS30 Not Exceeding 3% by weight or 8% by vol.Organic Impurities Fine MS30 Not Exceeding 0.4%
Aggregate crushing value Coarse MS30 Not Exceeding 40%
Soundness Test Coarse MS30Loss in mass after 5 ot cycles shall not be more
than 12% for sodium sulphate or 18% formagnesium sulphate
Chloride Content Both MS30 Not Esceeding 0.06% by weight ofChloride ions
Sulphate Content Both MS30 Not Exceeding 0.44% by weight SO3
Table 2 : Grading For Coarse Aggregate
Seive Size
(BS4 10)
Percentage by mass passing BS 410 seive for norminal sizeGraded Aggregate Single-sized Aggregate
40 mm to5 mm
20 mm to 5mm
14 mm to5 mm 40 mm 20 mm 10 mm
50.00 mm 100 - - 100 - -37.5 mm 90 to 100 100 - 85 to 100 100 -20.0 mm 35 to 70 90 to 100 100 0 to 25 85 to 100 -14.0 mm 25 to 55 40 to 80 90 to 100 - 0 to 70 10010.0 mm 10 to 40 30 to 60 50 to 85 0 to 5 0 to 25 85 to 1005.0 mm 0 to 5 0 to 10 0 to 10 - 0 to 5 0 to 252.36 mm - - - - - 0 to 25
Table 3 : Grading For Fine Aggregate
Seive Size(BS4 10)
Percentage by mass passing BS 410 seiveOverall Additional limits for grading
limit C *M F10.0 mm 100 - - -
5.0 mm 80 to 100 - - -
2.36 mm 60 to 100 60 to 100 65 to 100 80 to 100
1.18 mm 30 to 100 30 to 90 45 to 100 70 to 100
600 um 15 to 100 15 to 45 25 to 80 55 to 100
300 um 5 to 70 5 to 40 5 to 48 5 to 70
150 um 0 to 15# - - -
# increase to 20% for crushed rock fines, excrpt when are esd for hravy-duty floor.*for prescribed mix only grading limits M is applicable.See also clouse 2.2.3(b)
Note : Individual sands may comply with the requirement of more than ano grading.Alternatively
Some sands which satisfy the overall limits but may not fall within any one of the
additional limit C, M of F may also be used provided that the supplier can satisfy
tha S.O that such material can produce concrete of the required quality.
Categories of Admixture
WaterReduction
Stifenning Time Minimum strength as a
precentatage of the control mix
AgeLength change,
maximum shrinkage
Time from completion of maxingTo reach a resistance to penetration
of:0.5 N/mm2 3.5N/
mm227.5N/mm2
Compressive % of control
Increase
Type 1:Accelerator
-
More than1 hour
Within 1hour an 3 hour earlier than control
mix
At least 1 hour earlier than control
mix
125125100100
24 hours3 days7 days28 days
135 0.01
Type 2:Retarder
-
At least 1 hour.Later
than control mix
Within 1 hour and 3 hour later
than control mix
Not more
than 3hr later
than control
mix
90
90
95
3 days
7 days
28 days135 0.01
Type 3:Normal
waterreducing
At least
5%
Within + 1 hour and – 1
hour of control mix
Within + 1 hour and – 1
hour of control mix
Within + 1 hour and – 1
hour of control mix
110
110
110
3 days
7 days
28 days135 0.01
Type 4:Acclerating
waterreducing
At least5%
More than 1 hour
Within 1 hour and 3 hour later
than control mix
At least 1 hour earlier than control
mix
125125100100
24 hours3 days7 days28 days
135 0.01
Type 5:Retarding
waterreducing
At least
5%
At least 1 hour later
than control mix
Within 1 hour and 3 hour later
than control mix
Not more than 3hr later than control
mix
110
110
110
3 days
7 days
28 days135 0.01
Table 4 : Admixture Acceptance Test Requirements
Table 5 : Prescribed Mixes For General Use Per Cubic Meter Of Concrete By Weight Batching
Grades of
concrete
28 day strength of concrete (N/mm2)
Norminal max. size of aggregate (mm) Max free water cement ratiosWorkability Medium High
Slump limits(mm) 25 - 75 75 - 125
15P 15Cement (kg)
Total aggregate (kg)*Fine aggregate
2801800
35 - 50
3101750
35 - 1250.6
20p 20Cement (kg)
Total aggregate (kg)*Fine aggregate
3201800
25 – 40
3501750
20 – 450. 6
25p 25Cement (kg)
Total aggregate (kg)*Fine aggregate
3601750
25 – 40
3901700
30 – 450.5
30p 30Cement (kg)
Total aggregate (kg)*Fine aggregate
4001700
25 - 40
4301650
30 - 450.45
Table 5A : Proportions And Strenght Requirement For Prescribed Mixes By Volume Batching
Mix Proportions(Grade)
SlumpLimits(mm)
Cubic Meter OfAggregate Per 50 kg
Of Cement
Max Free Water Cement
Ratio
QualityOf
Water(Liters)
StrengthOf Concrete
Fine Coarse (20mm)
At 7 days(N/mm2)
At 28 days (N/mm2)
1 : 1 : 2(30p) 25 – 50 0.035 0.07 0.45 22.5 20 301 : 1.5 : 3(25p) 25 – 50 0.05 0.1 0.5 25 17 251 : 2 : 4(20p) 25 – 50 0.07 0.14 0.55-0.6 27.5-30 14 201 : 3 : 6(15p) 25 – 50 0.1 0.2 0.6 30# 11 15
Table 6 : Compressive Strength Requirement For Prescribed Mix
Grade Of Concrete 28 Day Strength Of Concrete Cube Strenght at 7 Days
Average Cube StrenghtAt 28 Days
20p25p30p40p
N/mm220.025.030.040.0
N/mm214172027
N/mm220.025.030.040.0
Table 7 : Characteristic Strength Of Steel Reinforcement
Type Norniman Size (mm) Specified CharactericticStrength, fy (N/mm2)
Hot rolled grade 250(MS 146)
All sizes 250
Hot rolled grade 460(MS 146)
All sizes 460
Cold Worked(BS 4461)
All sizes 460
Hard drawn steel wire(MS 144)
Up to andIncluding 12
485
Table 8 : Minimum Period Berween Concreting And Removal Of Forms
Vertical faces of beam , wall, columns, piles, foundation plinthsAnd precast compenents
3 Days
Slab(Props left under) 4 DaysRemoval of Props to Slab 10 Days
Beam Soffits(Props left under) 8 DaysRemoval of Props to beams 21 Days
Compulsory Test
TEST MOULD FOR CUBE TEST
SLUMP TEST