MHA-1457 Whiting Forensic Transformer - CD Drawing Set 7.10.26.pdf
PDF 8 MB Posted
- Solicitation number
- MHA-1457
- Issued by
- Middlesex County, Connecticut
About this file
This is a construction drawing set for the Whiting Forensic Hospital Transformer Replacement project, prepared for the State of Connecticut Department of Mental Health and Addiction Services located in Middletown, Connecticut. The project involves the installation of a new 750 KVA pad mount transformer and associated electrical connections to the existing building's electric services at Connecticut Valley Hospital's Whiting Forensic facility. The drawings, dated July 10, 2026, include a Site Demo Plan and Site Layout and Materials Plan at a scale of 1"=10', detailing the removal of existing pavement, utility locations, temporary construction fencing installation, protection of existing infrastructure, and the restoration of disturbed areas. The project requires the contractor to acquire professional underground utility locating services utilizing ground penetrating radar and electromagnetic locators with a minimum of five years' experience, verify all utility locations through Call Before You Dig 811, and complete all work in accordance with Connecticut Department of Transportation standards and project specifications.
The construction documents specify multiple requirements for contractor execution including hand excavation within proximity to existing utility lines, repair of any incidental utility damage at no cost to the owner, positive drainage provision away from concrete pads, disposal of all removed items in accordance with federal and state regulations, restoration of disturbed areas outside the work limits to original conditions at no additional cost, and placement of a minimum six inches of topsoil and seeding in all disturbed areas. The contractor must also provide bollard installation around the transformer enclosure, pavement restoration using a specified section detail with 2" of Class 2 bituminous concrete atop 2" of Class 1 bituminous concrete, temporary silt sacks and coir logs for erosion control, and completion of field surveys limited to the temporary construction fencing area with below-grade utilities and installed utilities marked on as-built drawings. All work must be completed in accordance with the project manual and CT DOT Form 819, with no unauthorized construction accepted for payment without prior written approval from the engineer.
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Text version
7/10/2026
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SAWCUT EXIST. BITUMINOUS
CONCRETE.
APPROX. LOCATION
OF ON SITE CATCH
BASIN. PROVIDE SILT
SACK PROTECTION.
INSTALL COIR LOG. (TYP.)
INSTALL TEMPORARY
6'-0" CONSTRUCTION
FENCING
PROTECT EXISTING
GENERATOR ENCLOSURE
TO REMAIN.
PROTECT EXISTING UTILITY
VAULTS AND CONNECTING
LINES TO REMAIN. TYP.
UNDERGROUND
UTILITY LINES TO
REMAIN. SEE
ELECTRICAL
DRAWINGS FOR
MORE INFO.
FENCE GATE. FIELD
LOCATION AND QUANTITY TO
BE DETERMINED BY
CONTRACTOR.
WHITING FORENSIC BUILDING
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EXISTING SANITARY SEWER
(SIZE, MATERIAL,& FLOW LINES
UNKNOWN)
EXISTING 8" WATERMAIN
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INSTALL TEMPORARY
6'-0" CONSTRUCTION
FENCING
EXISTING 6" STORM PIPE
EXISTING 12" STORM PIPE
CONDENSING
UNIT
GENERATOR FEEDER
&AND CONTROLS
SITE DEMO PLAN
GENERAL CONSTRUCTION NOTES:
1. THE CONTRACTOR SHALL ACQUIRE THE PROFESSIONAL SERVICES OF A PRIVATE UNDERGROUND UTILITY LOCATER (PUUL). AT A MINIMUM THE PUUL SHALL UTILIZE GROUND PENETRATING RADAR (GPR) AND ELECTRO MAGNETIC (EM) LOCATER TO COMPLETE THEIR WORK. THE PUUL SHALL DEMONSTRATE THEY HAVE A MINIMUM OF FIVE (5) YEARS' EXPERIENCE WITH GPR AND EM ACTIVITIES. EACH UTILITY SHALL BE
IDENTIFIED WITH THE APPROPRIATE SPRAY PAINT COLOR.
2. VERIFY ALL UTILITY LOCATIONS - CALL BEFORE YOU DIG (CBYD) 811. IN THE EVENT CBYD IS UNABLE TO LOCATE THE EXISTING UTILITIES IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO PROVIDE AN UNDERGROUND UTILITY MARKING COMPANY TO LOCATE THEM AT NO
ADDITIONAL COST TO THE OWNER.
3. UTILITY INFORMATION SHOWN IS TAKEN FROM UTILITY MAPS AND LIMITED FIELD INFORMATION. CONTRACTOR IS RESPONSIBLE FOR FINAL VERIFICATION OF UTILITY LOCATIONS AFFECTING THE PROPOSED WORK AND ANY ASSOCIATED FIELD MODIFICATIONS. ANY MODIFICATION TO THE WORK OUTLINED IN THESE PLANS OR THE PROJECT SPECIFICATIONS SHALL BE TO THE SATISFACTION OF THE ENGINEER.
5. EXISTING CONDITIONS SHOWN ON THESE DRAWINGS ARE AS PER DRAWINGS PROVIDED FROM BEMIS ASSOCIATES ON DECEMBER 18, 2024.
ANY DISCREPANCY BETWEEN THESE PLANS AND ACTUAL FIELD CONDITIONS SHALL BE BROUGHT TO THE ATTENTION OF THE ENGINEER. ALL PROPOSED CONSTRUCTION IS TO BE COMPLETED IN ACCORDANCE WITH THESE PLANS AND SPECIFICATIONS. NO CHANGES TO THE PROPOSED CONSTRUCTION SHALL BE PERMITTED WITHOUT WRITTEN APPROVAL FROM THE OWNER AND/OR ENGINEER
6. ALL ITEMS TO BE REMOVED SHALL BE DISPOSED OF BY THE CONTRACTOR IN ACCORDANCE WITH ALL FEDERAL, & STATE REGULATION, AS
WELL AS THE SPECIFICATIONS.
7. INDICATES THE EXTENTS OF BITUMINOUS CONCRETE REMOVAL AND REPLACEMENT BY CONTRACTOR.
8. PROVIDE POSITIVE DRAINAGE AWAY FROM THE CONCRETE PADS.
9. EXCAVATION REQUIRED WITHIN PROXIMITY OF EXISTING UTILITY LINES SHALL BE DONE BY HAND. THE CONTRACTOR SHALL REPAIR ANY DAMAGE TO EXISTING UTILITY LINES INCURRED DURING CONSTRUCTION OPERATIONS AT NO COST TO THE OWNER.
10. ALL DISTURBED AREAS WITHIN THE CONTRACT LIMIT LINES OTHER THAN PAVED/CRUSH STONED AREAS SHALL RECEIVE A MINIMUM OF 6" OF
TOPSOIL AND BE SEEDED UNLESS OTHERWISE NOTED.
11. ANY AREA OUTSIDE THE LIMIT OF WORK THAT IS DISTURBED SHALL BE RESTORED TO ITS ORIGINAL CONDITION AT NO COST TO THE OWNER.
12. ALL CONSTRUCTION SHALL BE COMPLETED IN ACCORDANCE WITH THESE DRAWINGS, THE PROJECT MANUAL AND CT DOT FORM 819. NO CHANGES IN THE PROPOSED CONSTRUCTION SHALL BE MADE WITHOUT PRIOR WRITTEN APPROVAL FROM THE ENGINEER. NO
UNAUTHORIZED CONSTRUCTION WILL BE ACCEPTED FOR PAYMENT.
13. REFER TO ELECTRICAL DRAWINGS FOR ADDITIONAL INFORMATION.
14. FIELD SURVEY AT THE COMPLETION OF WORK SHALL BE LIMITED TO AREA OF THE SHOWN TEMPORARY CONSTRUCTION FENCING. BELOW GRADE UTILITIES FOUND IN TEST PITS AND INSTALLED UTILITIES SHALL BE MARKED ON THE AS-BUILTS.
CAD no.
drawing prepared by project no.
project drawing no.
approved by drawn by scale date drawing title descriptiondatemark
R E V I S I O N S
TRANSFORMER REPLACEMENT
WHITING FORENSIC HOSPITAL
MHA-1457
STATE OF CONNECTICUT
DEPARTMENT OF MENTAL HEALTH AND ADDICTION SERVICES
MIDDLETOWN, CT.
professional seal
JMB
AS NOTED
HSM
7/10/2026
CONNECTICUT VALLEY HOSPITAL
DIRECTION OF RUN-OFF
FLOW (TYP.)
SOIL/AGGREGATE STOCKPILE OF
EXISTING SITE MATERIAL TO BE
REUSED AND/OR IMPORTED MATERIAL
TO BE INSTALLED IN THE WORK
DOUBLE ROW SILT FENCING
OR HAYBALE BACKED SILT
FENCE
SF
SF SF
SF
SF
SF
SF
SF
SF
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SFSF
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SF
SF
SF
SF
STOCKPILE DETAIL
SF
SF SF
SF
SF
SF
SF
SF
SF
SFSFSF
SF
SF
SF
SF
SF
N.T.S.
NOTES:
1. ALL EXISTING EXCAVATED MATERIAL THAT IS NOT TO BE REUSED IN THE WORK IS TO BE IMMEDIATELY
REMOVED FROM THE SITE AND PROPERLY DISPOSED OF.
2. SOIL/AGGREGATE STOCKPILE SITES TO BE WHERE SHOWN ON THE DRAWINGS OR LOCATED IN THE FIELD
WITH THE APPROVAL OF THE ENGINEER.
3. RESTORE STOCKPILE SITES TO PRE-EXISTING PROJECT CONDITION AND RESEED AS REQUIRED.
4. STOCKPILE HEIGHTS MUST NOT EXCEED 35'. STOCKPILE SLOPES MUST BE 2:1 OR FLATTER.
5. STOCKPILES OF EARTH MATERIALS TO BE IN PLACE GREATER THAN 30 DAYS SHALL BE COVERED, SEEDED
WITH TEMPORARY SEED MIX OR MULCHED.
6. COORDINATE COORDINATE QUANTITY AND LOCATION(S) WITH CONSTRUCTION MANAGER'S SITE
LOGISTICS PLANS.
4'
2"x2"x3/4"
BLOCK
RUBBER
RESTRAINT
1/4" NYLON
EXPANSION
ROPE
REMOVAL FROM INLET
1" REBAR FOR BAG
2'
SILTSACK 3'
TYPICAL SILT SACK DETAIL
N.T.S.
OVERFLOW HOLES (TYP.)
NOTE: HIGH FLOW = 200 GAL./MIN./SF
STAPLE TO ONLY
PENETRATE NETTING,
NOT INNER MATERIAL
COIR LOGS
TYPICAL CURLEX COIR LOG DETAIL
N.T.S.
NOTE: USE OF STAPLES IN PAVEMENT
IS OPTIONAL. IF USED, ALL DAMAGED
PAVEMENT TO BE RESTORED TO
EXISTING CONDITIONS AT NO
ADDITIONAL COST TO THE OWNER.
SITE DEMO PLAN
SCALE: 1"=10'
INSTALL BOLLARDS AROUND
ENCLOSURE. SEE 1/C-2 FOR DETAIL
INSTALL TRANSFORMER AND PAD
SEE ELECTRICAL DRAWINGS FOR
MORE INFORMATION
UNDERGROUND ELECTRICAL CONDUIT
SEE ELECTRICAL DRAWINGS FOR
DETAILS
AREA OF PAVEMENT RESTORATION
SEE DETAIL 3/C-2
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WHITING FORENSIC BUILDING
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SITE LAYOUT AND MATERIALS PLAN
CAD no.
drawing prepared by project no.
project drawing no.
approved by drawn by scale date drawing title descriptiondatemark
R E V I S I O N S
TRANSFORMER REPLACEMENT
WHITING FORENSIC HOSPITAL
MHA-1457
STATE OF CONNECTICUT
DEPARTMENT OF MENTAL HEALTH AND ADDICTION SERVICES
MIDDLETOWN, CT.
professional seal
JMB
AS NOTED
HSM
7/10/2026
CONNECTICUT VALLEY HOSPITAL
N.T.S.
8" DIA. SCHEDULE 40 GALV. STEEL
PIPE FILLED WITH CONCRETE.
PAINT EXTERIOR GLOSS ENAMEL
BLACK. COVER WITH YELLOW PVC
SLEEVE
PAVEMENT
BASE COURSE
CONCRETE F'c = 4500 psi
ROUND-OFF TOP
1'-0" 1'-0"
TOP OF EXISTING
PAVEMENT
1'-0" 1'-0"
SAWCUT AND REMOVE EXISTING
BITUMINOUS CONCRETE APPLY
TACK COAT PER THE CUT AND
MATCH PAVEMENT DETAIL
2" CLASS 2 BITUMINOUS
CONCRETE (DEPTH AS
SPECIFIED, OR MATCH EXIST.
WHICHEVER IS GREATER
2" (MIN.) CLASS 1 BITUMINOUS
CONCRETE (TOTAL DEPTH
OF BIT. = 4" OR MATCH
EXISTING WHICHEVER IS GREATER)
COMPACTED PROCESSED
AGGREGATE BASE (CTDOT FORM 818
M.05.01) DEPTH VARIES MATCH EXIST.
AS REQUIRED
COMPACTED GRANULAR FILL DEPTH
VARIES MATCH EXIST. AS REQUIRED
COMPACTED SUBGRADE
NOMINAL TRENCH WIDTH REFER
TO APPROPRIATE UTILITY DETAIL
PROCESSED AGGREGATE BASE, GRANULAR FILL,
AND SUBGRADE COMPACTED TO 95% OF MAX. DRY
DENSITY AS DETERMINED BY ASTM D 1557
METHOD
TYPICAL UTILITY TRENCH REPAIR DETAIL
N.T.S.
SEAL EDGES WITH CT DOT LIQUID
EMULSION HOT ASPHALT TACK COAT.
WOVEN GEOTEXTILE
SITE LAYOUT AND MATERIAL PLAN
SCALE: 1"=10'
NOTE: PAVEMENT SECTION TO MATCH DETAIL
SHOWN ABOVE OR EXISTING PAVEMENT.
WHICHEVER IS GREATER.
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