Scope of Work 2614.pdf

2 MB Posted

Attached to
Modifications to Existing Metal Roof/Soffitt at Fairfield District Office
Solicitation number
645-DOTRFQ-2614-2026
Issued by
Jasper County, Iowa

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Written by GovTribe AI ·

This Scope of Work document outlines modifications to the existing metal roof and soffit systems at the Iowa Fairfield District Office. The project requires contractors to install pre-finished white aluminum soffit panels with V-groove detailing spaced at 8-inch intervals running east and west across all soffit areas, including elevator overhangs, north stairwell overhangs, and areas above structural outriggers. The work involves mounting these panels over a new 40-mil SBS rubberized asphaltic self-adhering membrane (basis of design: Henry Co. Blueskin SA or equal) with full sealing over existing steel decking and vertical surface intersections. Pre-finished aluminum J-channels must be installed at perimeters and along outriggers, and existing siding layers require removal and reinstallation to ensure proper membrane sealing against sheathing, with existing Tyvek taped over the membrane. A 20-mil peel-and-stick EPDM layer secured to existing surfaces provides additional weatherproofing. The project encompasses modifications at multiple building locations including elevator overhangs, north stairwell areas, and various soffit conditions detailed across five pages of specifications. The contract posting date was March 22, 2026, with a compressed two-business-day proposal submission deadline of March 24, 2026.

The document does not specify pricing terms, budget allocations, or funding sources. No set-asides, disadvantaged business enterprise requirements, incumbent vendor information, or specific award timelines are detailed in the scope. Insurance minimums, bonding requirements, and complete bid specifications are not included in this scope document. Prospective bidders are advised to contact the Iowa contracting authority directly to obtain comprehensive procurement details necessary for bid preparation given the expedited timeline.

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ELEVATOR OVERHANG

OVERHANG ABOVE

ELEVATOR

NORTH STAIRWELL OVERHANG

3 sim

1 1 sim 1

2 2

ALL SOFFIT AREAS TO RECEIVE

NEW PREFINISHED ALUMINUM

EXTRUDED SOFFT PANELS

MOUNTED OVER A NEW 40 MIL,

SBS RUBBERIZED ASPHALTIC,

SELF ADHERING

MEMBRANE(BASIS OF DESIGN IS

HENRY CO. BLUESKIN SA OR

EQUAL). ENSURE FULL SEAL OF

MEMBRANE OVER EXISTING

STEEL DECKING AND

INTERSECTION WITH VERTICAL

SURFACES. TYPICAL. SEE

DETAILS.

E - W COL.

GRID LINE

EXISTING BOXED-OUT

STRUCTURAL OUTRIGGER

PRE-FIN. (WHITE) ALUM. J-CHANNELS TYP.

@ PERIMETER & ALONG OUTRIGGER(S)

PRE-FIN. (WHITE) ALUM. SOFFIT PANELS

w/ V-GROOVE @ 8" o.c. (NON-VENTED)

RUNNING E & W

20 MIL PEAL-N-STICK EPDM SECURED

TO EXISTING

PREFIN. CEMENT BD. SIDING & TRIM, TYP. OVER

AIR/MOISTURE BARRIER

ALL SOFFIT AREAS TO RECEIVE

NEW PREFINISHED ALUMINUM

EXTRUDED SOFFT PANELS

MOUNTED OVER A NEW 40 MIL,

SBS RUBBERIZED ASPHALTIC,

SELF ADHERING

MEMBRANE(BASIS OF DESIGN IS

HENRY CO. BLUESKIN SA OR

EQUAL). ENSURE FULL SEAL OF

MEMBRANE OVER EXISTING

STEEL DECKING AND

INTERSECTION WITH VERTICAL

SURFACES. TYPICAL. SEE

DETAILS.

40 MIL, SBS RUBBERIZED ASPHALTIC, SELF

ADHERING MEMBRANE(BASIS OF DESIGN IS

HENRY CO. BLUESKIN SA OR EQUAL). ENSURE

FULL SEAL OF MEMBRANE OVER EXISTING

STEEL DECKING AND INTERSECTION WITH

VERTICAL SURFACES. TYPICAL. SEE DETAILS.

REMOVE AND REINSTALL EXISTING SIDING

LAYER TO ENSURE SBS MEMBRANE FULLY

SEALS AGAINST EXISTING SHEATHING.

TAPE EXISTING TYVEK OVER MEMBRANE

20 MIL PEAL-N-STICK EPDM SECURED

TO EXISTING

PRE-FIN. (WHITE) ALUM. SOFFIT PANELS

w/ V-GROOVE @ 8" o.c. (NON-VENTED)

RUNNING E & W

PRE-FIN. (WHITE) ALUM. J-CHANNELS TYP. @

PERIMETER & ALONG OUTRIGGER(S)

EXISTING BOXED-OUT STRUCTURAL

OUTRIGGER

BOTTOM END SIMILAR TO TOP END DTL.

E - W COL.

GRID LINE

PREFIN. CEMENT BD.

SIDING & TRIM, TYP. OVER

AIR/MOISTURE BARRIER

40 MIL, SBS RUBBERIZED ASPHALTIC, SELF ADHERING

MEMBRANE(BASIS OF DESIGN IS HENRY CO. BLUESKIN SA OR

EQUAL). ENSURE FULL SEAL OF MEMBRANE OVER EXISTING STEEL

DECKING AND INTERSECTION WITH VERTICAL SURFACES. TYPICAL.

SEE DETAILS.

REMOVE & REINSTALL EXISTING SIDING

LAYER TO ENSURE SBS MEMBRANE FULLY

SEALS AGAINST EXISTING SHEATHING.

SIM. TO DTL. 6/SO503

E - W COL.

GRID LINE

20 MIL PEAL-N-STICK EPDM

SECURED TO EXISTING

METAL DECKING, ETC.

PRE-FIN. (WHITE) ALUM.

J-CHANNELS TYP. @

PERIMETER

NON-ACOUSTICAL METAL

ROOF DECKING

PRE-FIN. (WHITE) ALUM.

SOFFIT PANELS

w/ V-GROOVE @ 8" o.c.

(NON-VENTED)

RUNNING E & W

40 MIL, SBS RUBBERIZED ASPHALTIC,

SELF ADHERING MEMBRANE(BASIS

OF DESIGN IS HENRY CO. BLUESKIN

SA OR EQUAL). ENSURE FULL SEAL

OF MEMBRANE OVER EXISTING

STEEL DECKING AND INTERSECTION

WITH VERTICAL SURFACES. TYPICAL.

SEE DETAILS.

REMOVE & REINSTALL EXISTING SIDING

LAYER TO ENSURE SBS MEMBRANE FULLY

SEALS AGAINST EXISTING SHEATHING.

INTERIOR:

EXTERIOR:

PRE-FIN. (WHITE) ALUM.

J-CHANNELS TYP. @

PERIMETER

PRE-FIN. (WHITE) ALUM.

SOFFIT PANELS w/ V- GROOVE @ 8" o.c. (NON-

VENTED) RUNNING E & W

20 MIL PEAL-N-STICK

EPDM SECURED TO

EXISTING

N - S COL.

GRID LINE

40 MIL, SBS RUBBERIZED ASPHALTIC, SELF

ADHERING MEMBRANE(BASIS OF DESIGN IS HENRY

CO. BLUESKIN SA OR EQUAL). ENSURE FULL SEAL

OF MEMBRANE OVER EXISTING STEEL DECKING AND

INTERSECTION WITH VERTICAL SURFACES. TYPICAL.

SEE DETAILS.

REMOVE AND REINSTALL EXISTING SIDING

LAYER TO ENSURE SBS MEMBRANE FULLY

SEALS AGAINST EXISTING SHEATHING. TAPE

EXISTING TYVEK OVER MEMBRANE

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