(X) X x X 1. Contract Number Page of Pages 1 4. Requisition/Purchase Request No. 5. Solicitation Caption AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT See item 16C DB 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: Code GF-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 SOLICITATIONS The 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 this amendment 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 OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an 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, appropriation date, 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 Signed 15C. 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 [email protected]. 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 effect 15A. Name and Title of Signer (Type or print) 15B. Name of Contractor
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 [email protected].
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
Attachment A Sign-in Sheet
NO NAME COMPANY TELEPHONE NO. EMAIL ADDRESS1 Whitaker Eddie M. UDC- Office of Contracting & Procurement 202-274-5181 [email protected]
2 Michiko Gadson UDC- Office of Contracting & Procurement 240-305-8682 [email protected] Walsh, Alan UDC- Capital Construction 202-274-6641 [email protected] Kevin Appleton UDC - Capital Construction 404-276-5058 [email protected] Vijay R. Kasimsetty Consys, Inc. 202-545-1333 [email protected] 6 Ricardo A Martinez Environmental Engineering, Sciences and Sus202-478-2060 ext. [email protected] John M. Corliss Jr. PEER Consultants, P.C. 781-238-8880 [email protected] Edward Dodge Solar Gaines 410-785-1760 [email protected] Sylvia Y. Jones Department of Energy & Evnironment 202-673-6715 [email protected] Cary Shank Power Factor Company [email protected] Thomas J. Gustafson PEER Consultants, P.C. 781-238-8880 [email protected] Ture Hafeeza Power Capitol Group [email protected]
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
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
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
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
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
