Addendum 2 - 22100223 Coldwater A300 - Project Cover, Roof Plan & Details.pdf
PDF 232 KB Posted
- Solicitation number
- RFQ 171 230000000023 4
- Issued by
- Barry County, Michigan
About this file
This addendum document is a technical drawing supplement for a roof replacement project at the Coldwater Michigan State Police Post located at 186 E State Street, Coldwater, Michigan 49036. The project, designated as 22100223, involves comprehensive roof replacement work that includes removal of the existing roof membrane, insulation, fascia trim, gutters, and downspouts, with installation of a new roof system. The new roof assembly specifications include 60-mil EPDM roofing material, ½-inch Dens Deck, tapered insulation designed to maintain a minimum ¼-inch per 1-foot slope to drains, and a 6-inch base layer of rigid polyiso insulation with an R-30 rating installed over the existing wood deck. The project incorporates alternative bid options, with the document identifying a Base Bid (A300 2), Alternate Bid #1 (A300 3), and Alternate Bid #2 (A300 4) for contractor pricing consideration.
The roof plan details establish specific contractor responsibilities for proper flashing of all drains, curbs, vent stacks, and other penetrations, with the final design slope layout designated as the contractor's responsibility to ensure adequate water diversion around all obstacles and roof perimeter elements. The project specifications require extension of all existing vents and exhaust fans to accommodate the increased roof height from the new insulation layers and require removal and reinstallation of existing electrical fixtures and conduit as directed by the building owner. The document references accompanying drawing sheets including project photo documentation (A900) and detailed roof section specifications (A901) to provide comprehensive technical guidance for bid preparation and construction execution.
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Other files
| File | Type | Posted |
|---|---|---|
| Addendum 2 22125.pdf | ||
| Specifications 22225 (Coldwater).pdf | ||
| Advertisement 22125 (Coldwater).pdf | ||
| Drawings 22225 (Coldwater).pdf | ||
| Addendum 2 22125 Roofing.pdf | ||
| 22125_Addendum 1 Final.pdf |
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Text version
± 141'-11"
± 134'-3"± 25'-8"
± 38'-3"
EXHAUST FAN
CONDENSATE VENT
TO BE REMOVED
CONDENSATE VENT
TO BE REMOVED
CONDENSATE VENT
TO BE REMOVED
CONDENSATE VENT
TO BE REMOVED
EXHAUST FAN
EXHAUST
FAN
CONDENSATE VENT
TO BE REMOVED
VTR
VTR
VTR
CONDENSATE
VENT TO BE
REMOVED
EXHAUST FAN
CV
VTR
CV
EXHAUST FAN
EXHAUST FAN
MECH. UNIT
VTR
VTR
E X
IS
T.
R O
O F
D E
C K
IS
S
LO
P
E D
E X
IS
T.
R O
O F
D E
C K
IS
S
LO
P
E D
E X
IS
T.
R O
O F
D E
C K
IS
S
LO
P
E D
E X
IS
T.
R O
O F
D E
C K
IS
S
LO
P
E D
VALLEY
VALLEY
VALLEY
VALLEY
HIP HIP
H
IP
H
IP
1/4" SLOPE
1/4 " S
LO
PE
1/4 " S
LO
PE
1/4" SLOPE
VTR
VTR
VTR
VTR VTR
VTR
CONDENSATE
VENT TO BE
REMOVED
CONDENSATE
VENT TO BE
REMOVED
CONDENSATE
VENT TO BE
REMOVED
CONDENSATE
VENT TO BE
REMOVED
CONDENSATE
VENT TO BE
REMOVED
CONDENSATE
VENT TO BE
REMOVED
EXIST. R
OOF
LEVEL ± 13"
EXIST. R
OOF
LEVEL ± 25"
VTR
EXIST. R
OOF
LEVEL 0"
A D
D E
D T
A P
P E
R
IN
S U
LA
TI
O N
TH
IS
A
R E
A
/8
S
LO
P E
EXIST. ROOF
DECK IS SLOPED
EXIST. ROOF
DECK IS SLOPED
EXIST. ROOF
DECK IS SLOPED
NEW GUTTER
NEW DOWNSPOUT,
PRE-FINISHED GRAY
NEW GUTTER
NEW DOWNSPOUT,
PRE-FINISHED GRAY
EXIST. LIGHT FIXTURE TO
BE REMOVED FOR NEW
WORK AND RE-INSTALLED
EXIST. ELECTRICAL
CONDUIT TO BE
REMOVED BY OWNER
NEW DOWNSPOUT,
PRE-FINISHED GRAY
NEW GUTTER
NEW DOWNSPOUT,
PRE-FINISHED GRAY
EXIST. LIGHT FIXTURE TO
BE REMOVED BY OWNER
NEW DOWNSPOUT,
PRE-FINISHED GRAY
EXIST. LIGHT FIXTURE TO
BE REMOVED BY OWNER
A900
A900
A900
A900
A900
A900
A900
A900
A900
A900
A900
A900
THIS ROOF HAS AN
OVERHANG ABOVE
THE LOWER ROOF
A901
A901
A901
A901
A901
A901
A901
A901
A901
A901
A901
A901
100-MIL FLUID APPLIED CAP
80-MIL MOD BIT BASE
1/2" DENS DECK
TAPERED INSULATION
NEW 6" BASE LAYER OF POLY-ISO R-30
WOOD DECK
145-MIL MINERAL MOD BIT CAP
80-MIL MOD BIT BASE
1/2" DENS DECK
TAPERED INSULATION
NEW 6" BASE LAYER OF POLY-ISO R-30
WOOD DECK
ROOF PLAN LEGEND
TAPERED INSULATION: PROVIDE
1/4" PER 1'-0" MIN. SLOPE TO DRAINS
AND DIVERT WATER AROUND ITEMS.
1. CONTRACTOR SHALL BE RESPONSIBLE FOR PROPER FLASHING OF ALL
DRAINS, CURBS, VENT STACKS, ETC.
2. ROOF INSULATION TO BE 6" MINIMUM.
3. TAPERED INSULATION: MAINTAIN 1/4" PER 1'-0" MINIMUM SLOPE TO DRAINS
UNLESS NOTED, COORDINATE SLOPES TO DIRECT RUN OFF AROUND ALL
OBSTICLES INCLUDING ROOF PERIMTER OUTLINE, MECHANICAL EQUIPMENT,
SKYLIGHTS, CURBS, ETC. FINAL DESIGN SHALL BE THE RESPONSIBILITY OF
THE CONTRACTOR. MAINTAIN SLOPE UNDER ALL ABOVE ROOF ITEMS
INCLUDING RAISED PAVERS, LIVE ROOF AREA, SOLAR PANELS, ETC.
4. EXIST. ROOF MEMBRANE AND INSULATION IS TO BE REMOVED TO EXIST.
DECK INCLUDING ALL EXTRA ROOF LAYERS FOR NEW ROOF CONSTRUCTION.
5. EXIST. FASCIA TRIM, GUTTER, AND DOWNSPOUTS ARE TO BE REMOVED FOR
NEW CONSTRUCTION.
6. R-30 6" OF RIGID INSULATION IS THE BASE WITH TAPPER INSULATION ON TOP
OF. CANT USE AVERAGING OF THE R-VALUE ACROSS THE ROOF.
7. EXTEND ALL VENTS AND FANS AS REQUIRED FOR INCREASED ROOF
HEIGHT.
ROOF PLAN NOTES:
60-MIL EPDM ROOFING
1/2" DENS DECK
TAPERED INSULATION
NEW 6" BASE LAYER OF POLY-ISO R-30
WOOD DECK
P lo tt ed
B y:
A ut od es k D oc s:
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O M
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P
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A300 22100223
E S ta te
S t, C ol dw at er , M
I 4
C o ld w at er
M ic h ig an S ta te
P o lic e
P o st
R oo f R ep la ce m en t f or
A D
D E
N D
U M
.1 1.
P ro je ct
C o ve r
R o o f P la n
DRAWING LIST
Roof Replacement for:
Coldwater Michigan State Police Post 186 E State St, Coldwater, MI 49036
A300 Project Cover & Roof Plan
A900 Project Photo Sheet
A901 Roof Sections
SCALE: 1/8" = 1'-0"
OVERALL ROOF PLAN
A300
3 ALTERNATE BID #1
A300
2 BASE BID
A300
4 ALTERNATE BID #2
| Sheets |
| A300 - Project Cover & Roof Plan |
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