amendment 002 to ifb no. gf-2021-r-0031, db for 32-42, and
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1. Contract Number Page of Pages1
4. Requisition/Purchase Request No. 5. Solicitation Caption
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
See item 16CDB for 32-42, and 38 Rooftop Solar PVC Installation
9B. Dated (See Item 11)July 5, 2021
2. Amendment/Modification Number 3. Effective Date
Office of Contracting & Procurement
6. Issued By: CodeGF-2021-R-0031-002
7. Administered By (If other than line 6) University of the District of Columbia University of the District of Columbia Office of Contracting & Procurement 4200 Connecticut Avenue, NW 4200 Connecticut Avenue, NW Building 39 Suite 200C
Washington, DC 20008 Building 39 Suite 200C
8. Name and Address of Contractor (No. Street, city, country, state and ZIP Code) 9A. Amendment of Solicitation No. Washington, DC 20008
GF-2021-B-0031
11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONSThe above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of bids is extended. is not extended.Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods: (a) By completing Items 8 and 15, and returning 1 copy of the amendment: (b) By acknowledging receipt of thisamendment on each copy of the offer submitted; or (c) By separate letter or fax which includes a reference to the solicitation and amendment number. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERSPRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to changean offer already submitted, such change may be made by letter or fax, provided each letter or telegram makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.
10A. Modification of Contract/Order No.
10B. Dated (See Item 13)Code Facility
12. Accounting and Appropriation Data (If Required)
13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14
A. This change order is issued pursuant to: (Specify Authority) The changes set forth in Item 14 are made in the contract/order no. in item 10A.B. The above numbered contract/order is modified to reflect the administrative changes (such as changes in paying office, appropriationdate, etc.) set forth in item 14, pursuant to the authority of 27 DCMR, Chapter 36, Section 3601.2.C. This supplemental agreement is entered into pursuant to authority of:
D. Other (Specify type of modification and authority)
16C. Date Signed15C. Date Signed
1 copy to the issuing office.E. IMPORTANT: Contractor is not, is required to sign this document and return
Request for Proposals No. GF-2021-R-0031 for DB for Buildings 32-42, and 38 Rooftop Solar PVC Installation amended as follows:
14. Description of amendment/modification (Organized by UCF Section headings, including solicitation/contract subject matter where feasible.)
ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED
2. Deadline for Questions: Wednesday, July 21, 2021, by 3:00 PM.2. Solar Roof "Campus Existing Drawing" (Attachment B)
(Signature of person authorized to sign) (Signature of Contracting Officer)
7/15/2021
16A. Name of Contracting Officer
1. Sign-in sheet (Attachment A)
+1 206-413 8593 United States, Seattle
Eddie Whitaker
Submission of proposals should be submitted via email to Michiko Gadson at mgadson@udc.edu.
Eddie Whitaker
3. Deadline for Submission of Proposals: Wednesday, August 4, 2021, by 2:00 PM. Call in (audio only)
Phone Conference ID: 898 518 017#
16B. District of Columbia
Except as provided herein, all terms and conditions of the document referenced in Item (9A or 10A) remain unchanged and in full force and effect15A. Name and Title of Signer (Type or print)
15B. Name of Contractor
NO NAME COMPANY TELEPHONE NO. EMAIL ADDRESS1 Whitaker Eddie M. UDC- Office of Contracting & Procurement 202-274-5181 eddie.whitaker@udc.edu
2 Michiko Gadson UDC- Office of Contracting & Procurement 240-305-8682 mgadson@udc.edu3 Walsh, Alan UDC- Capital Construction 202-274-6641 awalsh@udc.edu4 Kevin Appleton UDC - Capital Construction 404-276-5058 apple15242@gmail.com5 Vijay R. Kasimsetty Consys, Inc. 202-545-1333 vijay@consys-inc.net 6 Ricardo A Martinez Environmental Engineering, Sciences and Sus202-478-2060 ext. 10Martinezr@peercpc.com7 John M. Corliss Jr. PEER Consultants, P.C. 781-238-8880 CorlissJ@peercpc.com8 Edward Dodge Solar Gaines 410-785-1760 edodge@solargaines.com9 Sylvia Y. Jones Department of Energy & Evnironment 202-673-6715 Sylvia.Jones@dc.gov10 Cary Shank Power Factor Company cary.shank@powerfactorco.com11 Thomas J. Gustafson PEER Consultants, P.C. 781-238-8880 GustafsonT@peercpc.com12 Ture Hafeeza Power Capitol Group admin@powercapitolgroup.com
Bid Opening Sign-in Sheet_GF-2021-R-0031, DB for 32-42, and 38 Rooftop Solar PVC Installation
1. REFER TO SHEET G101 FOR GENERAL NOTES, ABBREVIATIONS AND SYMBOL LEGEND.2. ELEVATIONS INDICATED ON DRAWINGS ARE TO TOP OF DECK & ARE BASED ON ORIGINAL STRUCTURAL DRAWINGS PROVIDED BY UDC. VERIFY DIMENSIONS
IN THE FIELD.3. SCHEDULE KICK OFF MEETING WITH ARCHITECT & STRUCTURAL ENGINEER, AND OWNER PRIOR TO NEW WORK INSTALLATION. 4. STRUCTURAL ENGINEER TO INSPECT CONDITION OF THE ROOF DECKS PRIOR TO NEW WORK INSTALLATION TO LOCATE ANY DAMAGE OR STRUCTURAL
UNSTABLE DECKING THAT MAY EXIST ‐ REFER TO UNIT COSTS.5. REMOVE ALL DEBRIS FROM ROOF DECK PRIOR TO INSTALLATION AND VERIFY ALL ROOF SLOPES FOR PROPER DRAINAGE. 6. DO NOT OVERLOAD ANY ROOF WITH ROOFING MATERIALS, EQUIPMENT, DEMOLITION DEBRIS, ETC. 7. DO NOT LOAD ROOFS BEYOND NORMAL DESIGN LIVE LOADS. COORDINATE WITH STRUCTURAL AS REQUIRED. 8. LEAVE THE WORK IN A WEATHERTIGHT CONDITION AT THE END OF EACH WORK DAY AND EXPOSE ONLY THAT AMOUNT OF ROOF THAT CAN BE PROTECTED
IN THE EVENT OF AN EMERGENCY. CONTRACTOR SHALL BE RESPONSIBLE FOR ANY AND ALL DAMAGE TO THE BUILDING AND ITS CONTENTS AS A RESULT OF DAMAGE FROM WATER INFILTRATION.
9. ALL EXISTING EQUIPMENT TO BE SALVAGED SHALL BE CONSIDERED IN GOOD WORKING CONDITION & STORED IN A MANNER THAT WILL PREVENT DAMAGE TO SALVAGED ITEMS UNTIL REINSTALLED. REPAIR OR REPLACE ITEMS THAT ARE DAMAGED AS A RESULT OF BEING REMOVED, TRANSFERRED, OR STORED.
10. ALL EXISTING MECHANICAL EQUIPMENT IDENTIFIED AS REMAINING SHALL BE RESET TO ALLOW NEW CURB FLASHING INSTALLATION. ALL EXISTING CURBS TO BE REPLACED WITH NEW PREFABRICATED UNITS.
11. SHOULD EXISTING MECHANICAL CURBS AND WOOD BLOCKING BE FOUND DETERIORATED, AS DETERMINED BY THE OWNER, REMOVE AND REPLACE WITHNEW. OTHERWISE, ALL EXISTING CURBS ARE TO REMAIN. REFER TO UNIT COST R05.
12. ALL NEW PRESSURE TREATED WOOD BLOCKING IS TO BE FASTENED AT 32” OC MAX.13. SNAKE & FLUSH EXISTING DRAIN LINES TO CONFIRM NO BLOCKAGES ARE PRESENT ‐ SEE MECHANICAL DRAWINGS. 14. PROVIDE 24"x24"x2" PRECAST CONCRETE PAVERS AROUND ALL EXISTING EQUIPMENT AND AT ALL ROOF ACCESS POINTS.
TOP OF PAVER TO ALIGN WITH ROOF BALLAST.15. PATCH EXIST. CONCRETE WHERE REGLETS, LIGHT FIXTURES, CONDUIT, AND SECURITY CAMERAS HAVE BEEN REMOVED.16. THREE (3) MONTHS AFTER SUBSTANTIAL COMPLETION, CONTRACTOR SHALL RETURN TO SITE AND TIGHTEN ALL DRAIN BOWLS.17. REMOVE ALL EXPOSED UNUSED ELECTRICAL JUNCTION BOXES AND CAP WIRING CONNECTIONS. REPAIR AND PATCH CONCRETE AT EACH LOCATION TO
CONCEAL AND BRING THE SURFACE TO A PLUMB OR LEVEL CONDITION WITH ADJACENT SURFACES.18. REFER TO SHEET A104 FOR TYPICAL ROOF FINISHES.19. REMOVE ALL EXISTING PRECAST & CONCRETE CONTROL JOINTS ‐ SEE DETAIL 1/ A103. ASSUME 100 LF OF JOINTS FOR BID.
DRY COOLER
EXHAUST FAN ‐ SEE DETAIL 3/ A105
MECH LOUVER
ROOF DRAIN ‐ SEE DETAIL 2/ A105
VENT THROUGH ROOF ‐ SEE DETAIL 4/ A105VTRROOF DAVIT ANCHOR
SATELLITE DISH
LIGHTNING PROTECTION SYSTEM INLET ‐SEE DETAIL 3/ A106
LPS
PIPE PORTALS ‐ SEE DETAIL 5 & 11/ A106
LD LADDER
DAVIT ELECTRICAL OUTLET
SECURITY CAMERA ‐SEE TECHNOLOGY DWGS
SC
LIGHT FIXTURE ‐SEE ELECTRICAL DWGS
LF
AT ANTENNA
TV TV ANTENNA
EXIST CONDUIT LINES ‐SEE DETAIL 2/ A106
ROOF CORERC
ELECTRICAL PANEL
EP
SD
FA FIRE ALARM
ROOF PLAN LEGEND ‐ NEW CONSTRUCTION
ROOF PLAN GENERAL NOTES
ROOF CONSTRUCTION KEYNOTES
LEVEL INDICATOR TO TOP OF STRUCTURE
COMMENTS
RD
ID DETAIL
MAIN & PENTHOUSE ROOF DECK CRACK REPAIRR03
MAIN ROOF PERIMETER CONCRETE REPAIRR01
PARTIAL HEIGHT WALLS & PENTHOUSE CONCRETE PARAPET REPAIRR02
200 SF
200 SF
200 LF 8a/ A106
7/ A105 & 10/ A106
6/ A105 & 9/ A106
R04 300 SF 9/ A106ROOF DECK SPALLED CONCRETE REPAIR
QTY
REPLACE EXISTING PRESSURE TREATED WOOD BLOCKINGR06 500 LF
DESCRIPTION
ROOF UNIT PRICES
PENTHOUSE CONCRETE WALLS CRACK REPAIR R05 200 LF 8b/ A106
6/ A105
20 19 18 17 16 15
P
O
N
M
VTR
VTR
VTR
WAP3201
LF3201
EF3201
LPS3205
MU3201
EF3202
VTR
FA
JB
32
VTR VTR
RD
RD
RD
RD RD RD
LPS
RD
RDRDRD
RN06
RN04
RN04RN10
LPS
TYP
TYP
TYP
TYP
11A105
32R0132R02
10A106
ABV
6A105
TYP
6A105
TYP
10A106
ABV
10A106
ABV
6A105
TYP
7A105
ABV
7A105
ABV
6A105
TYP
RN16
SC3202
RN17
RN06
RN06
5A105
LOW
5A105
LOW
5A105
LOW
7A105
ABV
T/ SLAB
338' ‐ 2" (VIF)
T/ DECK
324' ‐ 4" (VIF)
RN10
EF3203
SC3201
SLOPE
LF3202
LF3203
LF3204
LF3205
LF3206LF3207 LF3208 LF3209 LF3210
LF3211
12A106
LDRN03
7A105
ABV
RN10TYP
RN08
RN052' ‐ 0"
RN04
RN04
RN04
ABV
RN04
13A105
TYP
13A105
TYP
13A105
TYP
RN35
BACKER ROD & TOOLED CONCAVE SEALANT JOINT TO MATCH EXIST. (FINISH TO MATCH ADJ CONST) ‐ TYP AT ALL VERTICAL & HORIZONTAL JOINTS 3/
4" V
IF
PROVIDE PREMOLDED COMPRESSIBLE FILLER STRIP
EXIST. CONCRETE PANEL TO REMAIN
1" MIN
CHIEF DESIGN & ENGINEERINGDIVISION
DATE:
PROJECT NO.
DRAWING NO.
BY APP.DESCRIPTIONREVISION DATE
GOVERNMENT OF THE DISTRICT OF COLUMBIA
DESIGNED
DRAWN
CHECKED
BLDG NO.
CERTIFICATION
REGISTRATION NO.
DATE:
ARCHITECT
GENERAL
BELL Architects, PC1228 9th Street NW, Washington, DC 20001T. 202‐548‐7570
© BELL Architects PC
UNIVERSITY OF THE DISTRICT OF COLUMBIABUILDING 32/42ROOF REPLACEMENT PROJECT
4200 CONNECTICUT AVE NWWASHINGTON, DC 20008
138‐021‐20196495
THOMAS D. BELL
04 30 2020
SHEET OF 22
DATE:
A103
NEW CONSTRUCTION ROOF PLAN ‐ BUILDING 32
32/42
UNIVERSITY OF THE DISTRICT OF COLUMBIA
EPC
FA
DBB
6
MAR 28, 2019
4'0 8' 16'
NKEYPLAN
32 42
1/8" = 1'‐0"
NEW ROOF CONSTRUCTION ‐ BUILDING 32
RN03 PROVIDE 24" WIDE STL LADDER (FINISH: PT03)RN04 REFINISH EXISTING LOUVERS (FINISH: PT02). RESET LOUVERS IN EXISTING OPENING & INSTALL NEW FASTENERS AS REQUIRED. PROVIDE CONTINUOUS
SEALANT & BACKER ROD AT MECHANICAL LOUVER PERIMETER TO SEAL WATERTIGHT.RN05 PROVIDE NEW EARLY STREAMER EMISSION (ESE) LIGHTNING PROTECTION SYSTEM. AIR TERMINAL SHALL BE INSTALLED ON 28'‐0" TALL 4" DIA STEEL MAST
(FINISH: PT03) MECH FASTENED TO EXISTING STRUCTURE AT 48" OC MAX. TOP OF MAST SHALL EXTEND MINIMUM 12'‐0" ABOVE PARAPET. THE MASTMANUFACTURER SHALL DRILL & TAP TOP OF MAST TO ACCEPT 3/4‐10NC THREADED AIR TERMINAL. THE ELECTRICAL CONTRACTOR SHALL COORDINATE TIE‐INWITH EXISTING DOWN LEADS TO REMAIN.
RN06 REPLACE EXISTING WOOD SUPPORTS WITH ETHAFOAM PIPE SUPPORTS AT EXISTING CONDUIT AND CABLE TRAYS TO REMAIN. SIZE SUPPORTS FOR LOADRQMTS.
RN08 EXISTING DOWN LEAD TO REMAIN. NEW LPS CABLE SHALL BE SECURED 36" OC MAX. AT PENETRATIONS IN WALLS & PARAPETS PROVIDE WEATHERTIGHTSEALS. IN GARAGE BELOW, INSTALL BIMETAL CONNECTOR AT TWO (2) EXISTING DOWN LEADS WHERE ALUMINUM CONDUCTORS TRANSITION TO COPPERBEFORE ENTERING EARTH ‐ SEE DETAIL 3/ A106 & SPECIFICATIONS.
RN10 PROVIDE 24"x24"x2" PRECAST CONCRETE PAVER WALKWAY ‐ VERIFY LOCATION OF PATHS WITH OWNER PRIOR TO START OF CONSTRUCTIONRN16 REFINISH EXISTING CHIMNEY CAP (FINISH: PT03).RN17 REFINISH EXISTING MECH EQUIPMENT, DUCTWORK, & ASSOCIATED STRUCTURE (SEE FINISH SCHEDULE FOR FINISH TYPES).RN35 PROVIDE 2‐HR RATED PATCH OF FORMER DUCT PENETRATION IN CONCRETE CHIMNEY. USE ONE‐COMPONENT, PRE‐PACKAGED, READY TO USE,
CEMENTITIOUS, SILICA FUME, FIBER REINFORCES, HIGH STRENGTH SHRINKAGE‐COMPENSATED MORTAR FOR REPAIR OF VERTICAL SURFACES. PROVIDEREINFORCING STEEL TO MATCH EXISTING CONSTRUCTION. PROVIDE MIN 6" OVERLAP OF NEW REBAR WITH EXISTING ‐ SEE DETAIL 7/ A106 (SIM.)
12" = 1'‐0"A1031 TYP JOINT REPOINT
1. REFER TO SHEET G101 FOR GENERAL NOTES, ABBREVIATIONS AND SYMBOL LEGEND.2. ELEVATIONS INDICATED ON DRAWINGS ARE TO TOP OF DECK & ARE BASED ON ORIGINAL STRUCTURAL DRAWINGS PROVIDED BY UDC. VERIFY DIMENSIONS
IN THE FIELD.3. SCHEDULE KICK OFF MEETING WITH ARCHITECT & STRUCTURAL ENGINEER, AND OWNER PRIOR TO NEW WORK INSTALLATION. 4. STRUCTURAL ENGINEER TO INSPECT CONDITION OF THE ROOF DECKS PRIOR TO NEW WORK INSTALLATION TO LOCATE ANY DAMAGE OR STRUCTURAL
UNSTABLE DECKING THAT MAY EXIST ‐ REFER TO UNIT COSTS.5. REMOVE ALL DEBRIS FROM ROOF DECK PRIOR TO INSTALLATION AND VERIFY ALL ROOF SLOPES FOR PROPER DRAINAGE. 6. DO NOT OVERLOAD ANY ROOF WITH ROOFING MATERIALS, EQUIPMENT, DEMOLITION DEBRIS, ETC. 7. DO NOT LOAD ROOFS BEYOND NORMAL DESIGN LIVE LOADS. COORDINATE WITH STRUCTURAL AS REQUIRED. 8. LEAVE THE WORK IN A WEATHERTIGHT CONDITION AT THE END OF EACH WORK DAY AND EXPOSE ONLY THAT AMOUNT OF ROOF THAT CAN BE PROTECTED
IN THE EVENT OF AN EMERGENCY. CONTRACTOR SHALL BE RESPONSIBLE FOR ANY AND ALL DAMAGE TO THE BUILDING AND ITS CONTENTS AS A RESULT OF DAMAGE FROM WATER INFILTRATION.
9. ALL EXISTING EQUIPMENT TO BE SALVAGED SHALL BE CONSIDERED IN GOOD WORKING CONDITION & STORED IN A MANNER THAT WILL PREVENT DAMAGE TO SALVAGED ITEMS UNTIL REINSTALLED. REPAIR OR REPLACE ITEMS THAT ARE DAMAGED AS A RESULT OF BEING REMOVED, TRANSFERRED, OR STORED.
10. ALL EXISTING MECHANICAL EQUIPMENT IDENTIFIED AS REMAINING SHALL BE RESET TO ALLOW NEW CURB FLASHING INSTALLATION. ALL EXISTING CURBS TO BE REPLACED WITH NEW PREFABRICATED UNITS.
11. SHOULD EXISTING MECHANICAL CURBS AND WOOD BLOCKING BE FOUND DETERIORATED, AS DETERMINED BY THE OWNER, REMOVE AND REPLACE WITHNEW. OTHERWISE, ALL EXISTING CURBS ARE TO REMAIN. REFER TO UNIT COST R05.
12. ALL NEW PRESSURE TREATED WOOD BLOCKING IS TO BE FASTENED AT 32” OC MAX.13. SNAKE & FLUSH EXISTING DRAIN LINES TO CONFIRM NO BLOCKAGES ARE PRESENT ‐ SEE MECHANICAL DRAWINGS. 14. PROVIDE 24"x24"x2" PRECAST CONCRETE PAVERS AROUND ALL EXISTING EQUIPMENT AND AT ALL ROOF ACCESS POINTS.
TOP OF PAVER TO ALIGN WITH ROOF BALLAST.15. PATCH EXIST. CONCRETE WHERE REGLETS, LIGHT FIXTURES, CONDUIT, AND SECURITY CAMERAS HAVE BEEN REMOVED.16. THREE (3) MONTHS AFTER SUBSTANTIAL COMPLETION, CONTRACTOR SHALL RETURN TO SITE AND TIGHTEN ALL DRAIN BOWLS.17. REMOVE ALL EXPOSED UNUSED ELECTRICAL JUNCTION BOXES AND CAP WIRING CONNECTIONS. REPAIR AND PATCH CONCRETE AT EACH LOCATION TO
CONCEAL AND BRING THE SURFACE TO A PLUMB OR LEVEL CONDITION WITH ADJACENT SURFACES.18. REFER TO SHEET A104 FOR TYPICAL ROOF FINISHES.19. REMOVE ALL EXISTING PRECAST & CONCRETE CONTROL JOINTS ‐ SEE DETAIL 1/ A103. ASSUME 100 LF OF JOINTS FOR BID.
DRY COOLER
EXHAUST FAN ‐ SEE DETAIL 3/ A105
MECH LOUVER
ROOF DRAIN ‐ SEE DETAIL 2/ A105
VENT THROUGH ROOF ‐ SEE DETAIL 4/ A105VTRROOF DAVIT ANCHOR
SATELLITE DISH
LIGHTNING PROTECTION SYSTEM INLET ‐SEE DETAIL 3/ A106
LPS
PIPE PORTALS ‐ SEE DETAIL 5 & 11/ A106
LD LADDER
DAVIT ELECTRICAL OUTLET
SECURITY CAMERA ‐SEE TECHNOLOGY DWGS
SC
LIGHT FIXTURE ‐SEE ELECTRICAL DWGS
LF
AT ANTENNA
TV TV ANTENNA
EXIST CONDUIT LINES ‐SEE DETAIL 2/ A106
ROOF CORERC
ELECTRICAL PANEL
EP
SD
FA FIRE ALARM
ROOF PLAN LEGEND ‐ NEW CONSTRUCTION
ROOF PLAN GENERAL NOTES
ROOF CONSTRUCTION KEYNOTES
LEVEL INDICATOR TO TOP OF STRUCTURE
COMMENTS
RD
ID DETAIL
MAIN & PENTHOUSE ROOF DECK CRACK REPAIRR03
MAIN ROOF PERIMETER CONCRETE REPAIRR01
PARTIAL HEIGHT WALLS & PENTHOUSE CONCRETE PARAPET REPAIRR02
200 SF
200 SF
200 LF 8a/ A106
7/ A105 & 10/ A106
6/ A105 & 9/ A106
R04 300 SF 9/ A106ROOF DECK SPALLED CONCRETE REPAIR
QTY
REPLACE EXISTING PRESSURE TREATED WOOD BLOCKINGR06 500 LF
DESCRIPTION
ROOF UNIT PRICES
PENTHOUSE CONCRETE WALLS CRACK REPAIR R05 200 LF 8b/ A106
6/ A105
16 15 14 13 12 11 10
P
O
N
M
L
K
42
VTR
VTR
VTR
FA
LD
VTR
VTR
VTR
DS+SK
VTR
VTR
VTR
VTR
LF4203
AC4202
EF4205
EF4204
EF4203
MU4215
MU4214
MU4213
MU4212
MU4211
MU4207
MU4206
MU4205
MU4204
MU4203
MU4202
MU4202
EF4201
EF4202
PE4202PE4201
VTR
LPS
VTR
MU4208
LPS4201
LPS3205
FA
JB
RD
RD RD
RD
RD
RD
RD
RD
RD
RD
RD
LPS
RD
RN04
RN06
LPS
TYP
12A105
LOW
11A105
12A105
LOW
32R0132R02
RN04
RN21
RN04RN04
RN09
RN12
RN10
RN10TYP
RN06TYP
RN06TYP
42R02
6A105
TYP
10A106
ABV10
A106
ABV
10A106
ABV
10A106
ABV
6A105
TYP
6A105
TYP
6A105
TYP
6A105
TYP
6A105
TYP
6A105
TYP
8A105
5A105
LOW
RN15
RN33
RN04
SC4201
RN19
RN19
RN19
RN19
RN19
RN18
12A105
LOW
5A105
LOW
10A106
ABV
5A105
LOW
10A106
ABV
RN25
T/ DECK
324' ‐ 4" (VIF)
T/ SLAB
338' ‐ 2" (VIF)
T/ DECK
299' ‐ 0" (VIF)
T/ SLAB
338' ‐ 2" (VIF)
RN18
RN09
RN29
MU4210SLOPE
6A106
LF4202
LF4203
12A106
LD
RN08
RN08
RN05
2' ‐ 0"
42R01
RN34
ABV
2' ‐ 6"
13A106
LOW
10A105
LOW
13A105
TYP
13A105
TYP
CHIEF DESIGN & ENGINEERINGDIVISION
DATE:
PROJECT NO.
DRAWING NO.
BY APP.DESCRIPTIONREVISION DATE
GOVERNMENT OF THE DISTRICT OF COLUMBIA
DESIGNED
DRAWN
CHECKED
BLDG NO.
CERTIFICATION
REGISTRATION NO.
DATE:
ARCHITECT
GENERAL
BELL Architects, PC1228 9th Street NW, Washington, DC 20001T. 202‐548‐7570
© BELL Architects PC
UNIVERSITY OF THE DISTRICT OF COLUMBIABUILDING 32/42ROOF REPLACEMENT PROJECT
4200 CONNECTICUT AVE NWWASHINGTON, DC 20008
138‐021‐20196495
THOMAS D. BELL
04 30 2020
SHEET OF 22
DATE:
A104
NEW CONSTRUCTION ROOF PLAN ‐ BUILDING 42
32/42
UNIVERSITY OF THE DISTRICT OF COLUMBIA
Checker
Author
Designer
7
MAR 28, 20191/8" = 1'‐0"
NEW ROOF CONSTRUCTION ‐ BUILDING 42
4'0 8' 16'
NKEYPLAN
32 42
RN04 REFINISH EXISTING LOUVERS (FINISH: PT02). RESET LOUVERS IN EXISTING OPENING & INSTALL NEW FASTENERS AS REQUIRED. PROVIDE CONTINUOUSSEALANT & BACKER ROD AT MECHANICAL LOUVER PERIMETER TO SEAL WATERTIGHT.
RN05 PROVIDE NEW EARLY STREAMER EMISSION (ESE) LIGHTNING PROTECTION SYSTEM. AIR TERMINAL SHALL BE INSTALLED ON 28'‐0" TALL 4" DIA STEEL MAST(FINISH: PT03) MECH FASTENED TO EXISTING STRUCTURE AT 48" OC MAX. TOP OF MAST SHALL EXTEND MINIMUM 12'‐0" ABOVE PARAPET. THE MASTMANUFACTURER SHALL DRILL & TAP TOP OF MAST TO ACCEPT 3/4‐10NC THREADED AIR TERMINAL. THE ELECTRICAL CONTRACTOR SHALL COORDINATE TIE‐INWITH EXISTING DOWN LEADS TO REMAIN.
RN06 REPLACE EXISTING WOOD SUPPORTS WITH ETHAFOAM PIPE SUPPORTS AT EXISTING CONDUIT AND CABLE TRAYS TO REMAIN. SIZE SUPPORTS FOR LOADRQMTS.
RN08 EXISTING DOWN LEAD TO REMAIN. NEW LPS CABLE SHALL BE SECURED 36" OC MAX. AT PENETRATIONS IN WALLS & PARAPETS PROVIDE WEATHERTIGHTSEALS. IN GARAGE BELOW, INSTALL BIMETAL CONNECTOR AT TWO (2) EXISTING DOWN LEADS WHERE ALUMINUM CONDUCTORS TRANSITION TO COPPERBEFORE ENTERING EARTH ‐ SEE DETAIL 3/ A106 & SPECIFICATIONS.
RN09 PROVIDE PAIR OF EQUIPMENT RAILS UNDER EXISTING MECHANICAL & ELECTRICAL EQUIPMENT, & STL DUNNAGE. COORDINATE SHUT DOWN OF EQPT WITHOWNER & VERIFY HEIGHT OF RAIL IN FIELD PRIOR TO INSTALLATION ‐ SEE DETAIL 9/ A105, MECHANICAL & ELECTRICAL DWGS.
RN10 PROVIDE 24"x24"x2" PRECAST CONCRETE PAVER WALKWAY ‐ VERIFY LOCATION OF PATHS WITH OWNER PRIOR TO START OF CONSTRUCTIONRN15 SCRAPE & REFINISH EXISTING STAIRS, RAILING, GUARDRAIL, DIAMOND PLATE, & STRUCTURE (FINISH: PT02)RN18 REFINISH EXISTING MECH EQUIPMENT (FINISH: PT02).RN19 REFINISH EXISTING MECH DUCTWORK & ASSOCIATED SUPPORTS (FINISH: PT04).RN21 SCRAPE & PAINT EXISTING LADDER (FINISH: PT03). TIGHTEN ALL EXISTING FASTENERS & PROVIDE WHERE MISSING.RN25 CAP REMOVED ROOF DUCT PENETRATION & SEAL WATERTIGHTRN29 PROVIDE WALL MOUNTED LIGHT FIXTURE ‐ SEE ELECTRICAL DWGS.RN33 PROVIDE PREFINISHED STANDING SEAM ROOF & NEW EXP JOINT AT WALL (ROOF FINISH: SM01 / EXP JT FINISH: SM01).RN34 WRAP EXISTING COLUMN WITH BRAKE METAL (FINISH TO MATCH ADJ LOUVERS). INSTALL PRIOR TO RESETTING LOUVERS.
1. REFER TO SHEET G101 FOR GENERAL NOTES, ABBREVIATIONS AND SYMBOL LEGEND.2. ELEVATIONS INDICATED ON DRAWINGS ARE TO TOP OF DECK & ARE BASED ON ORIGINAL STRUCTURAL DRAWINGS PROVIDED BY UDC. VERIFY DIMENSIONS
IN THE FIELD.3. SCHEDULE KICK OFF MEETING WITH ARCHITECT & STRUCTURAL ENGINEER, AND OWNER PRIOR TO NEW WORK INSTALLATION. 4. STRUCTURAL ENGINEER TO INSPECT CONDITION OF THE ROOF DECKS PRIOR TO NEW WORK INSTALLATION TO LOCATE ANY DAMAGE OR STRUCTURAL
UNSTABLE DECKING THAT MAY EXIST ‐ REFER TO UNIT COSTS.5. REMOVE ALL DEBRIS FROM ROOF DECK PRIOR TO INSTALLATION AND VERIFY ALL ROOF SLOPES FOR PROPER DRAINAGE. 6. DO NOT OVERLOAD ANY ROOF WITH ROOFING MATERIALS, EQUIPMENT, DEMOLITION DEBRIS, ETC. 7. DO NOT LOAD ROOFS BEYOND NORMAL DESIGN LIVE LOADS. COORDINATE WITH STRUCTURAL AS REQUIRED. 8. LEAVE THE WORK IN A WEATHERTIGHT CONDITION AT THE END OF EACH WORK DAY AND EXPOSE ONLY THAT AMOUNT OF ROOF THAT CAN BE PROTECTED
IN THE EVENT OF AN EMERGENCY. CONTRACTOR SHALL BE RESPONSIBLE FOR ANY AND ALL DAMAGE TO THE BUILDING AND ITS CONTENTS AS A RESULT OF DAMAGE FROM WATER INFILTRATION.
9. ALL EXISTING EQUIPMENT TO BE SALVAGED SHALL BE CONSIDERED IN GOOD WORKING CONDITION & STORED IN A MANNER THAT WILL PREVENT DAMAGE TO SALVAGED ITEMS UNTIL REINSTALLED. REPAIR OR REPLACE ITEMS THAT ARE DAMAGED AS A RESULT OF BEING REMOVED, TRANSFERRED, OR STORED.
10. ALL EXISTING MECHANICAL EQUIPMENT IDENTIFIED AS REMAINING SHALL BE RESET TO ALLOW NEW CURB FLASHING INSTALLATION. ALL EXISTING CURBS TO BE REPLACED WITH NEW PREFABRICATED UNITS.
11. SHOULD EXISTING MECHANICAL CURBS AND WOOD BLOCKING BE FOUND DETERIORATED, AS DETERMINED BY THE OWNER, REMOVE AND REPLACE WITHNEW. OTHERWISE, ALL EXISTING CURBS ARE TO REMAIN. REFER TO UNIT COST R05.
12. ALL NEW PRESSURE TREATED WOOD BLOCKING IS TO BE FASTENED AT 32” OC MAX.13. SNAKE & FLUSH EXISTING DRAIN LINES TO CONFIRM NO BLOCKAGES ARE PRESENT ‐ SEE MECHANICAL DRAWINGS. 14. PROVIDE 24"x24"x2" PRECAST CONCRETE PAVERS AROUND ALL EXISTING EQUIPMENT AND AT ALL ROOF ACCESS POINTS.
TOP OF PAVER TO ALIGN WITH ROOF BALLAST.15. PATCH EXIST. CONCRETE WHERE REGLETS, LIGHT FIXTURES, CONDUIT, AND SECURITY CAMERAS HAVE BEEN REMOVED.16. THREE (3) MONTHS AFTER SUBSTANTIAL COMPLETION, CONTRACTOR SHALL RETURN TO SITE AND TIGHTEN ALL DRAIN BOWLS.17. REMOVE ALL EXPOSED UNUSED ELECTRICAL JUNCTION BOXES AND CAP WIRING CONNECTIONS. REPAIR AND PATCH CONCRETE AT EACH LOCATION TO
CONCEAL AND BRING THE SURFACE TO A PLUMB OR LEVEL CONDITION WITH ADJACENT SURFACES.18. REFER TO SHEET A104 FOR TYPICAL ROOF FINISHES.19. REMOVE ALL EXISTING PRECAST & CONCRETE CONTROL JOINTS ‐ SEE DETAIL 2/ A102. ASSUME 100 LF OF JOINTS FOR BID.
DRY COOLER
EXHAUST FAN ‐ SEE DETAIL 3/ A103
MECH LOUVER
ROOF DRAIN ‐ SEE DETAIL 2/ A103
VENT THROUGH ROOF ‐ SEE DETAIL 4/ A103VTRROOF DAVIT ANCHOR
SATELLITE DISH
LIGHTNING PROTECTION SYSTEM INLET ‐SEE DETAIL 3/ A104
LPS
PIPE PORTALS ‐ SEE DETAIL 5/ A104
LD LADDER
DAVIT ELECTRICAL OUTLET ‐ SEE DETAIL 11/ A103
SECURITY CAMERA ‐SEE TECHNOLOGY DWGS
SC
LIGHT FIXTURE ‐SEE ELECTRICAL DWGS
LF
AT ANTENNA
TV TV ANTENNA
EXIST CONDUIT LINES ‐SEE DETAIL 2/ A104
ROOF CORERC
ELECTRICAL PANEL
EP
SD
FA FIRE ALARM
ROOF PLAN LEGEND ‐ NEW CONSTRUCTION
ROOF PLAN GENERAL NOTES
ROOF CONSTRUCTION KEYNOTES
LEVEL INDICATOR TO TOP OF STRUCTURE
ID DETAIL
MAIN & PENTHOUSE ROOF DECK CRACK REPAIRR03
MAIN ROOF PERIMETER CONCRETE REPAIRR01
PARTIAL HEIGHT WALLS & PENTHOUSE CONCRETE PARAPET REPAIRR02
200 SF
200 SF
200 LF 8/ A104
7 & 12/ A103
6/ A103 & 9/ A104
R04 300 SF 9/ A104ROOF DECK SPALLED CONCRETE REPAIR
QTY
REPLACE EXISTING PRESSURE TREATED WOOD BLOCKINGR06 500 LF
DESCRIPTION COMMENTS
ROOF UNIT PRICES
PENTHOUSE CONCRETE WALLS CRACK REPAIR R05 200 LF 1/ A102
6/ A103
RD
F
G
H
I
J
K
38
LPS
VTR
VTR
VTRLPS
VTR
LPS
EO3808
EO3807
MU3802EF3802LPS3804
EO3806
EF3803
EF3804
EO3809
EO3810
LPS
EO3811EO3812
LPS3807
AC3801
EO3805EO3804
EO3803
EO3802
EO3801
LPS3802
SC & DS
SC3801
EF3801
LF3801
RDRD
RD RD
RD
OSD
RD RD
RDRD
12A103
ABV
6A103
TYP
6A103
TYP
6A103
TYP
LF3813 LF3812
12A103
ABV
12A103
ABV
12A103
ABV
12A103
ABVRD
8A103
38R02
38R01
LF3803
LF3804
LF3805
LF3806
LF3802
A1051
T/ SLAB
345' ‐ 4" (VIF)
T/ SLAB
349' ‐ 8" (VIF)
T/ DECK
337' ‐ 0" (VIF)
RN15
RN08
RN08
RN18 SC3802
SC3803
RN08
RN04
RN04
FA
RN17
RN12
RN29
RN29
RN30
RN06
6A103
TYP
A102
3
‐‐‐‐
BELOW
MU3801a
MU3801
6A104
EO3813 5A103
LOW
12A103
ABV
LF3807
LF3808 LF3809LF3810
LF3811
RN10
RN10
RN10
RN10
RN05
234567
RD
AT
RN30 RN30
RN30
RN30
RN30
EF3805
(FORMER UNIT)
10A104
LOW
13A103
TYP
13A103
TYP
13A103
TYP
RD
E01
12A103
ABV
5A103
LOW
TYP
LPSE03
12' ‐ 0" MIN
E08
5 6 7
NOTE: REFER TO SPEC SECTION 030100 ‐MAINTENANCE OF CONCRETE FOR ADDITIONAL INFORMATION
ROUT JOINT/CRACK AND FILL WITH SEALANT (FINISH TO MATCH EXISTING WALL)
BOND‐BREAKER TAPE
EXIST. PRECAST CONCRETE PANEL TO REMAIN
1" MIN
1/2" M
IN
BACKER ROD & TOOLED CONCAVE SEALANT JOINT TO MATCH EXIST. (FINISH TO MATCH ADJ CONST) ‐ TYP AT ALL VERTICAL & HORIZONTAL JOINTS 3/
4" VIF
PROVIDE PREMOLDED COMPRESSIBLE FILLER STRIP
EXIST. PRECAST CONCRETE PANEL TO REMAIN
1" MIN
CHIEF DESIGN & ENGINEERINGDIVISION
DATE:
PROJECT NO.
DRAWING NO.
BY APP.DESCRIPTIONREVISION DATE
GOVERNMENT OF THE DISTRICT OF COLUMBIA
DESIGNED
DRAWN
CHECKED
BLDG NO.
CERTIFICATION
REGISTRATION NO.
DATE:
ARCHITECT
GENERAL
BELL Architects, PC1228 9th Street NW, Washington, DC 20001T. 202‐548‐7570
© BELL Architects PC
UNIVERSITY OF THE DISTRICT OF COLUMBIABUILDING 38ROOF REPLACEMENT PROJECT
4200 CONNECTICUT AVE NWWASHINGTON, DC 20008
138‐021‐20196495
THOMAS D. BELL
04 30 2020
SHEET OF 16
DATE:
A102
NEW CONSTRUCTION ROOF PLAN ‐ BUILDING 38 & BRIDGE
38
UNIVERSITY OF THE DISTRICT OF COLUMBIA
EPC
FA
DBB
5
Mar 28, 2019
4'0 8' 16'
N
KEYPLAN
38
39
1/8" = 1'‐0"
NEW CONSTRUCTION ROOF PLAN ‐ BUILDING 38 & BRIDGE
RN04 REFINISH EXISTING LOUVERS (FINISH: PT02). RESET LOUVERS IN EXISTING OPENING & INSTALL NEW FASTENERS AS REQUIRED. PROVIDE CONTINUOUSSEALANT & BACKER ROD AT MECHANICAL LOUVER PERIMETER TO SEAL WATERTIGHT.
RN05 PROVIDE EARLY STREAMER EMISSION (ESE) LIGHTNING PROTECTION SYSTEM. AIR TERMINAL SHALL BE INSTALLED ON 28'‐0" TALL 4" DIA STEEL MAST (FINISH:PT03) MECH FASTENED TO EXISTING STRUCTURE AT 48" OC MAX. TOP OF MAST SHALL EXTEND MINIMUM 12'‐0" ABOVE PARAPET. THE MAST MANUFACTURERSHALL DRILL & TAP TOP OF MAST TO ACCEPT 3/4‐10NC THREADED AIR TERMINAL. THE ELECTRICAL CONTRACTOR SHALL COORDINATE TIE‐IN WITH EXISTINGDOWN LEADS TO REMAIN.
RN06 REPLACE EXISTING WOOD SUPPORTS WITH ETHAFOAM PIPE SUPPORTS AT EXISTING CONDUIT AND CABLE TRAYS TO REMAIN. SIZE SUPPORTS FOR LOADRQMTS.
RN08 EXISTING DOWN LEAD TO REMAIN. NEW LPS CABLE SHALL BE SECURED 36" OC MAX. AT PENETRATIONS IN WALLS & PARAPETS PROVIDE WEATHERTIGHTSEALS. IN GARAGE BELOW, INSTALL BIMETAL CONNECTOR AT TWO (2) EXISTING DOWN LEADS WHERE ALUMINUM CONDUCTORS TRANSITION TO COPPERBEFORE ENTERING EARTH ‐ SEE DETAIL 3/ A106 & SPECIFICATIONS.
RN10 PROVIDE 24"x24"x2" PRECAST CONCRETE PAVER WALKWAY ‐ VERIFY LOCATION OF PATHS WITH OWNER PRIOR TO START OF CONSTRUCTIONRN12 PROVIDE ROOF DRAIN & DRAIN PIPING IN NEW ROOF OPENING ‐ SEE MECHANICAL DWGSRN15 SCRAPE & REFINISH EXISTING STAIRS, RAILING, GUARDRAIL, DIAMOND PLATE, & STRUCTURE (FINISH: PT02)RN17 REFINISH EXISTING MECH EQUIPMENT, DUCTWORK, & ASSOCIATED STRUCTURE (SEE FINISH SCHEDULE FOR FINISH TYPES).RN18 REFINISH EXISTING MECH EQUIPMENT (FINISH: PT02).RN29 PROVIDE MOTION ACTIVATED WALL MOUNTED LIGHT FIXTURE ‐ SEE ELECTRICAL DWGS.RN30 PROVIDE LED SECURITY LIGHT & EXTERIOR RATED CONDUIT TO FIXTURE WITH ETHAFOAM PIPE SUPPORTS. SIZE SUPPORTS FOR LOAD RQMTS ‐ SEE ELECTRICAL
DWGS.
1/8" = 1'‐0"A1023 BLDG 38 MECH SCREEN WALL ‐ NORTH ELEV
12" = 1'‐0"A1021 TYP WALL CRACK REPAIR
12" = 1'‐0"A1022 TYP JOINT REPOINT
E01 AREA OF CRACKED CONCRETE WALL OR HEADER: REPAIR ALL CRACKS PER DETAIL 1/A102. (FINISH TO MATCH ADJACENT CONCRETE)E03 PATCH & SEAL EXISTING LPS DOWN LEAD PENETRATION WEATHERTIGHT.E08 EARLY STREAMER EMISSION (ESE) LIGHTNING PROTECTION SYSTEM
ELEVATION KEYNOTES
PIPE PORTAL ‐ SEE DETAIL 5/ A104 (SIM)
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