legend. #1 is a gas relief valve? If so does Enbridge supply with station?

Transcription

1 Michael Pacholok, Director Purchasing and Materials Management Division City Hall, 8 th Floor, West Tower 00 Queen Street West Toronto, Ontario M5H N Joanne Kehoe Manager Construction Services May 4, 06 Reply to: Michael Porcarelli Tel: (46) Via Website Posting: 7 Pages Addendum No. Tender No Re: New Emergency Gas Generator Installation at Canterbury Place, Fire Hall 4, Toronto. Closing Date: :00 P.M. Noon (Local Time), May 9, 06 Please refer to the above Tender Call document in your possession and be advised of the following information:. General Clarifications To Questions From Bidders Q. For Drawing M-, I have attached the mechanical iso. What is # not shown on legend. # is a gas relief valve? If so does Enbridge supply with station? A. This scope is part of the Enbridge work in which the contractor will need to retain via the cash allowance. Q. On tender the fine print on drawings E- thru E-4 is not legible. Looks like it s just from the copier. Could more clear drawings be distributed? A. Drawings E-E4 are attached, all dated 06/0/. (Enclosed 4 pages) Q3. Drawing M-. If # is a pressure regulating valve please provide requirements (load and pressure drop). A3. Same as above response A. This scope is part of the Enbridge work in which the contractor will need to retain via the cash allowance. Continued on next page of 7

2 . Additional Technical Information Please refer to information in the attachment "MMM addendum #" dated May 3, 06. ( page enclosed) All other information regarding the call document is unchanged. All other terms and conditions remain the same. Should you have any questions regarding this addendum contact Michael Porcarelli, Corporate Buyer, at mporcar@toronto.ca. Please attach this addendum to your Request for Tender document and be governed accordingly. Bidders must acknowledge receipt of all addenda on the space provided on the Tender Call Cover Page as per the Process Terms and Conditions, Section, Item 8 - Addenda, of the Tender Call document. All other aspects of the Tender remain the same. Yours truly, Joanne Kehoe, Manager, Construction Services, Purchasing & Materials Management of 7

3 E- OVERALL SITE PLAN, SEQUENCE OF IMPLEMENTATION, DRAWING LIST AND SYMBOL LEGEND - ELECTRICAL PART SITE PLAN AND DETAILS - ELECTRICAL EXISTING ELECTRICAL ROOM AND NEW WORK GENERATOR LAYOUT POWER AND SIGNALS - ELECTRICAL E-4 ELECTRICAL SINGLE LINE DIAGRAM. PROVIDE AS PART OF CASH ALLOWANCE TO SUPPLY, DELIVER, CONNECT/ DISCONNECT AND PROVIDE OFF-SITE REMOVAL OF TEMPORARY GENERATOR INCLUDING DIESEL FUEL SUPPLY TO SUIT SCHEDULED SHUT-DOWN DURATION. INCLUDE EXTRA-LONG TEMPORARY CABLES TO CONNECT TO EXISTING ATS. EXACT LOCATION OF TEMPORARY GENERATOR TO BE APPROVED BY OWNER PRIOR TO DELIVERY. THE FOLLOWING IS A PROPOSED SEQUENCE IMPLEMENTATION, INTENDED TO GIVE A DIAGRAMMATIC OVERVIEW OF THE PROPOSED SEQUENCE OF INSTALLATION FOR THIS PROJECT. BE RESPONSIBLE TO CONFIRM THIS SEQUENCE, MAKE THE REQUIRED MODIFICATION TO SUIT THE ANOMALIES OF THIS BUILDING AND COORDINATE THIS WHEN PREPARING THE MASTER CONSTRUCTION SCHEDULE FOR THE IMPLEMENTATION OF ALL WORK ASSOCIATED WITH THIS PROJECT. PROPOSED SEQUENCE OF IMPLEMENTAION ELECTRICAL PREPARE AND SUBMIT SHOP DRAWINGS FOR NEW GENERATOR AND TRANSFER SWITCH FOR REVIEW. ORDER EQUIPMENT AND COORDINATE DELIVERY AND INSTALLATION. APPROXIMATE LOCATION OF ND FLOOR MECHANICAL ROOM UTILIZE EXISTING OUTDOOR DIESEL GENERATOR AND ATS TO PROVIDE TEMPORARY STAND BY EMERGENCY POWER DURING INSTALLATION OF NEW GENERATOR AND ATS. PERFORM FUNCTIONALITY TEST INCLUDING START/STOP OF GENERATOR. PREPARE SITE TO ACCOMMODATE THE NEW GENERATOR AND ANCILLARY EQUIPMENT/DEVICES. CONFIRM SITE MEASUREMENTS AND ROUTINGS OF ALL FEEDERS AND PLACEMENT LOCATIONS OF ALL COMPONENTS PRIOR TO COMMENCEMENT OF WORK. INSTALL NEW GENERATOR IN ITS PERMANENT LOCATION AND PROVIDE FEEDERS AS SHOWN ON THE DRAWINGS. WHEN ALL NEW WORK IS COMPLETE, AFTER-HOURS DICONNECT/SHUT-DOWN EXISTING GENERATOR AND REMOVE EXISTING TRANSFER SWITCH. REMOVE AND DELIVER GENERATOR OFF-SITE ONCE NO-LONGER REQUIRED AND ARRANGE DELIVERY AS NOTED. 06/03/5 Issued For Tender FIRE STOP ALL NEW WALL PENETRATIONS. WATER SEAL ALL OPENINGS. AREA OF NEW GENERATOR INSTALLATION COMPLETE ALL REMAINING REMEDIAL WORK, INCLUDING PATCHING WORK, FIRE STOPPING, CEILING INSTALLATIONS, PAINTING, ETC. UPON COMPLETION OF ELECTRICAL SERVICES. E- WHEN ALL THE ELECTRICAL SERVICES HAVE BEEN INSTALLED, COMPLETED AND COMMISSIONED: TEST OPERATION OF NEW GENERATOR AND TRANSFER SWITCH. REFER TO SPECIFICATION FOR DETAILS. SCALE: :00 COMPLETE AS-BUILTS, O&M MANUALS AND TURN OVER TO CONSULTANT. E- 3 of 7

4 3/4" EXISTING AMBULANCE / FIRE STATION BUILDING PROTECTIVE BOLLARD WITH CONCRETE. REFER TO STRUCTURAL DRAWINGS. (TYPICAL) GENERATOR SHORE PANEL. PROVIDED WITH GENERATOR ENCLOSURE. GENERATOR CONTROL PANEL AND EPO. PROVIDED WITH GENERATOR ENCLOSURE. m CLEARANCE FOR MAINTENANCE 000 (INLET SIDE) (DISCHARGE SIDE) OUTLINE OF NEW CONCRETE PAD. REFER TO STRUCTURAL DRAWINGS. NEW SKIN-TIGHT OUTDOOR AND ACOUSTICALLY ENCLOSED NATURAL GAS GENERATOR. 780 LINE OF AMBULANCE VEHICLE ENTRY UNDERGROUND CONDUITS TO TRANSITION ON SURFACE OF BUILDING EXISTING DIESEL GENERATOR BE REMOVED INCLUDING ASSOCIATED ELECTRICAL AND FUEL SYSTEMS. ARRANGE DELIVERY TO OWNER'S SITE WITHIN 80kM RADIUS OF PROJECT SITE. PROVIDED WITH GENERATOR ENCLOSURE 300 MIN 300 MIN WP/ CG 500 UNDERGROUND CONDUITS SHALL BE DIRECT BURIED IN RIGID PVC. REFER TO DETAIL 3/ ON THIS DRAWING. EXISTING GENERATOR CONCRETE PAD TO BE RETAINED FOR FUTURE USE. MODIFY AS REQUIRED FOR NEW UNDERGROUND CONDUIT STUB-UPS EXISTING GENERATOR GATE FENCE TO REMAIN EXISTING FENCE TO REMAIN SCALE: :50 PARKING LOT BUILDING AREA EXISTING BUILDING EXISTING ELECTRICAL ROOM TOP OF ND LEVEL GLAZING GLAZING NEW ATS START/STOP SIGNAL AND EPO SIGNAL NEW SHORE PANEL FEEDER TO NEW 3 POLE CIRCUIT BREAKER IN EXISTING PANEL MODIFY EXISTING OPENING TO SUIT NEW CONDUIT PENETRATIONS NEW EMERGENCY FEEDER TO NEW ATS VIA NEW DISCONNECT SWITCH. BOTTOM OF ND LEVEL OUTLINE OF NEW OUTDOOR GENERATOR NEW GENERATOR ANNUNCIATOR LOW VOLTAGE SIGNALS AND EPO SIGNAL TO GROUND FLOOR EXISTING PHONE ROOM. TOP OF GROUND LEVEL SPARE EMPTY CONDUIT TO BE TERMINATED IN ELECTRICAL ROOM. EXISTING GENERATOR FENCE OUTLINE. GALVANIZED UNISTRUT SUPPORT FOR RIGID PVC SURFACE CONDUITS FASTENED TO WALL. (TYPICAL) FINISHED GROUND LEVEL EXISTING GRADE. CONFIRM AND SITE VERIFY PROPOSED CONCEPTUAL CONDUIT ROUTING OF ELECTRICAL FEEDERS AND CONFIGURATION. "X" REFER TO SHOP DRAWINGS NOTES: FINISHED GRADE " 4" 4"x8" 50 Duro Super W Pad Isolators OUTLINE OF NEW GENERATOR ENCLOSURE IS BASED ON A SPECIFIC MANUFACTURER. BE RESPONSIBLE FOR EXACT PLACEMENT, INSTALLATION AND COORDINATION OF CONNECTING SERVICES. BE RESPONSIBLE FOR THE SET-UP, INSTALLATION AND CONNECTION OF LOAD BANK FOR ON-SITE TESTING. CABLING AND LOAD BANK WILL BE SUPPLIED BY GENERATOR MANUFACTURER. UPON COMPLETION OF SITE TESTING, DISCONNECT LOAD BANK AND CABLING AND PREPARE FOR PICK UP BY GENERATOR MANUFACTURER. MIN. 300 (") MIN. 90 (7.5") MIN. 95 (36") 90mm 90mm 90mm TRENCHING AND BACKFILL AS REQUIRED. YELLOW MARKING TAPE, THE FULL LENGTH & WIDTH OF TRENCH 50mm (") RIGID PVC CONDUIT FOR EPO WIRING AND ATS START/STOP WIRING 50mm (") RIGID PVC CONDUIT (SPARE) CAP AT BOTH ENDS WITH PULL STRING 50mm (") RIGID PVC CONDUIT FOR EPO/ANNUNCIATOR WIRING " 8" PLAN VIEW 3/4" ELEVATION SUPER W PAD W/ HOLE (ISOLATION DETAIL) 3/4" 35" 44" GENERATOR BASE (ISOLATION LAYOUT) OUTLINE OF GENERATOR BASE 6" "X" 4" ROUTING OF ALL SERVICES ARE DIAGRAMMATIC. BE RESPONSIBLE TO CONFIRM EXACT ROUTING AND TERMINATIONS ON SITE PRIOR TO FABRICATION OR ROUGH-IN AND INCLUDE FOR REQUIRED OFFSETS, TRANSITIONS ETC. AS REQUIRED FOR A COMPLETE INSTALLATION. ALL PENETRATIONS THROUGH WALLS AND CEILINGS SHALL BE FIRE STOPPED WITH 3m FIRE STOP MATERIAL. REFER TO SPECIFICATIONS FOR DETAILS. PROVISION OF ALL PENETRATIONS AND OPENINGS 50mm (") AND LESS IN SIZE SHALL BE THE RESPONSIBILITY OF THE ELECTRICAL TRADE. REFER TO SPECIFICATIONS FOR DETAILS. COORDINATE TRENCHING / EXCAVATION OF SURFACES TO SUIT NEW GENERATOR SERVICES. REPLACE WITH NEW SURFACES AND MATCH BASE BUILDING MATERIALS. CONFIRM AND MARK ON SITE ALL EXISTING SITE SERVICE LOCATIONS WITHIN AREA OF INSTALLATION. REFER TO SPECIFICATION. 06/03/5 Issued For Tender 50mm (") RIGID PVC CONDUIT FOR SHORE PANEL FEEDER TRENCH 63mm (.5") RIGID PVC CONDUIT FOR EMERGENCY FEEDER " /4" STEEL PLATES 8" PLAN VIEW 3/4" " 50 DURO MASON SUPER W PAD SUPER W PAD (ISOLATION DETAIL) ELEVATION of 7

5 EPO NEW WALL MOUNTED GENERATOR ANNUNCIATOR PANEL SUPPLIED WITH GENERATOR. COORDINATE PREFERRED LOCATION WITH FIRE STATION PERSONNEL. TO NEW GENERATOR PROPOSED GENERATOR ANNUNCIATOR / EPO CABLE IN CONDUIT ROUTING. SITE VERIFY. EXISTING MAIN ELECTRICAL ROOM. SCALE: :400 SCALE: :00 EPO NEW WALL MOUNTED GENERATOR ANNUNCIATOR PANEL SUPPLIED WITH GENERATOR. COORDINATE PREFERRED LOCATION WITH FIRE STATION PERSONNEL. TO NEW GENERATOR 3 PROPOSED GENERATOR ANNUNCIATOR / EPO CABLE IN CONDUIT ROUTING. SITE VERIFY. EXISTING MAIN ELECTRICAL ROOM. 4 SCALE: :00 SCALE: :00 ALL EXISTING ELECTRICAL DEVICES ARE EXISTING TO REMAIN UNLESS OTHERWISE NOTED. CAP OFF AND FIRE STOP ALL FLOOR/WALL CONDUIT STUB-UPS UPON REMOVAL OF FEEDERS. EXISTING TRANSFORMER UP HIGH ROUTING OF ALL SERVICES ARE DIAGRAMMATIC. BE RESPONSIBLE TO CONFIRM EXACT ROUTING AND TERMINATIONS ON SITE PRIOR TO FABRICATION OR ROUGH-IN AND INCLUDE FOR REQUIRED OFFSETS, TRANSITIONS ETC. AS REQUIRED FOR A COMPLETE INSTALLATION. EXISTING TRANSFORMER UP HIGH EXISTING PANEL 'HA' EXISTING PANEL 'HA' EXISTING PANEL 'AA' ALL PENETRATIONS THROUGH WALLS AND CEILINGS SHALL BE FIRE STOPPED WITH 3m FIRE STOP MATERIAL. REFER TO SPECIFICATIONS FOR DETAILS. 3 PROVISION OF ALL PENETRATIONS AND OPENINGS 50mm (") AND LESS IN SIZE SHALL BE THE RESPONSIBILITY OF THE ELECTRICAL TRADE. REFER TO SPECIFICATIONS FOR DETAILS. EXISTING PANEL 'AA' SLOPED ROOF DECK EMERGENCY PANEL. PROVIDE NEW CIRCUIT BREAKER TO FEED GENERATOR SHORE PANEL. EMERGENCY PANEL EXISTING 75kVA TRANSFORMER EXISTING MECH. RM. EXISTING ATS TO BE REMOVED SIDE VIEW OF EXISTING MAIN DISCONNECT SWITCH FEED NEW BATTERY LIGHTING FROM AVAILABLE NEW LOCK TYPE CIRCUIT BREAKER IN EXISTING EMERGENCY PANEL AND FEED WITH #+G IN 3mmC. EXISTING MECH. RM. EXISTING 75kVA TRANSFORMER 838. WIDTH AVAILABLE NEW ATS- MOUNTED TO UNISTRUT ASSEMBLY SITE FABRICATED. 9mm HEIGHT AVAILABLE EXISTING MAIN ROOM DISCONNECT SWITCH 00 CLEAR NEW ATS. PROVIDE UNISTRUT ASSEMBLY TO SUPPORT NEW ATS AND SECURE ACCORDINGLY. 06/03/5 Issued For Tender B m EXISTING MAIN ROOM DISCONNECT SWITCH CONCRETE PAD M EPO NEW UNFUSED DISCONNECT FOR INCOMING GENERATOR POWER. M EXISTING HYDRO METER SHORE PANEL FEEDER EXISTING GENERATOR CABLING TO BE REMOVED. MODIFY TO SUIT NEW GENERATOR FEEDER REQUIREMENTS. EXISTING HYDRO METER ATS START/STOP SIGNAL AND EPO SIGNAL EMERGENCY FEEDER SPARE CONDUIT 5 SCALE: : SCALE: :50 5 of 7 SCALE: :50

6 06/03/5 Issued For Tender E-4 6 of 7

7 CITY OF TORONTO FIRE STATION NO. 4 CANTERBURY PL., TORONTO, ON MMM Project No Addendum No. May 3, 06 INCLUDE IN YOUR BID AMOUNT FOR THE FOLLOWING ITEMS OF ADDITION, DELETION OR CLARIFICATION. INDICATE IN THE SPACE PROVIDED ON THE BID FORM THAT YOU HAVE RECEIVED AND INCLUDED FOR THE REQUIREMENTS OF THIS ADDENDUM.. SPECIFICATION. SECTION POWER GENERATION (NOT ISSUED HEREWITH).. Item.3. Revise to include Gal Power and Kohler as acceptable Genset Manufacturer/Supplier. Please note the successful contractor is responsible in ensuring the generator manufacturer meets the design intent and specifications. The successful contractor is responsible for any additional accessories, installation requirements that are associated with the selection of the alternate generator manufacturers.. DRAWINGS. DRAWING NO. (NOT ISSUED HEREWITH).. Remove detail 4/. END OF ADDENDUM Page 7 of 7