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Roof System Consulting&Forensics LLC-Riverbend HOA-Roof Repair Specification
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Roof Repair& Chimney Cap Replacement
Request for Proposal(RFP)
Mandatory Pre-bid Meet ing:Tuesday April 17, 2018 @ 10:30 AM
Bids Due:Thursday April 26th, 2018 @ 2 PM
Roof System Consulting& Forensics LLC
March 12,2018 1
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Roof System Consulting&Forensics LLC—Riverbend HOA—Roof Repair Specification .r
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Introduction {*+
The Riverbend HOA consists of twenty-three(23 ea.) detached two story homes constructed in 1981.
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The buildings are constructed with wood framing and have exterior stone veneer and synthetic siding waWRfi ug.
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Each of the homes has a fireplace chimney chase which extends from the ground level to above the roof elevation.
The fireplace chases are constructed with dimensional lumber and wood sheathing.The exterior finish of the fireplace
chases consists of building paper underlayment covered with wire mesh reinforced hard coat stucco.The chimney
chases have metal caps and shrouds(fabricated from Copper).
The existing roof system is a CertainTeed Presidential Shake,fiberglass reinforced,dimensional asphalt shingles;
installed in 2007. The roof pitch is 7/12 on the primary roof slopes.
The stucco cladding on the chimney chases has experienced water damage as a result of asphalt shingle flashing defects
and issues with the chimney caps.This document outlines the roofing and sheet metal portion of the work necessary to
address the sources of water which have allowed water to enter behind the stucco and damage it.
The stucco chimney chase cladding will be removed by other contractors prior to the roofingflashing repairs;the stucco
substrate will be repaired,and, the stucco will be replaced following completion of the roof flashing repairs.
Replacement of the chimney caps and re-installation of the existing chimney shrouds will follow completion of the
stucco work.
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Roof System Consulting&Forensics LLC—Riverbend HOA—Roof Repair Specification
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Roof Repair&Chimney Cap Replacement
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Roof Repair—at Chimney Flashings O, nD13,
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The Roof Repair for each of the chimneys consists of: APPROVED
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A. Removal and disposal of the existing asphalt shingles adjacent to the chimney.
a. To the extent required for placement of underlayment and flashings described below.
B. Removal and disposal of existing metal flashings at the chimney.
a. Including the existing headwall, step-flashing,and the metal flashings at the top backside of the chimney
and roof deck interface referred to as the existing head-pan flashing.
C. Removal and disposal of any existing shingle underlayment which turns-up the sides of the chimneys.
D. Removal and disposal of a 6"strip of the existing shingle underlayment on the roof deck which is adjacent to the
chimneys where the existing step flashing is present.
E. Removal and disposal of the existing shingle underlayment on the roof deck which will be under the head-pan
flashing and 12" upslope of it.
F. Installation of new High-temp Ice&Water Shield at roof areas adjacent to the chimneys and up the sides of the
chimneys. Certainteed Winter Guard HT or approved equal.
a. At the headwall detail: 6" on roof deck and 18" up the side of the chimney.
b. At the step-flashing detail: 18"on roof deck and 18"up the sides of the chimney.
c. At the head-pan flashing detail: 28"on roof deck and 18" up the sides of the chimney.
i. New High-temp Ice and Water Shield to be positioned and installed 6" under the existing dry-in
at the upper edges on the roof deck so as to avoid a water-lap.
G. Shingle replacement with new matching Certainteed Presidential Shake Shingles (Weathered Wood) over the
prepared roof areas at the repair including new metal flashings.
a. New Headwall Flashing: 24-gauge pre-finished steel,standard color palette selection,6"on roof deck
and 12" up vertical side of the chimney.
b. New Step Flashing: 24-gauge pre-finished steel,standard color palette selection,6" on roof deck, 12" up
vertical side of the chimney,and full shingle width (14 W'). Install 1 piece of step flashing per each
shingle course which abuts the chimney. Seal the top vertical edge of the step flashing to the new High-
temp Ice&Water Shield with polyurethane sealant.
c. New Head-Pan Flashing: 24-gauge galvanized steel, painted to match the color of prefinishedflashing
following fabrication with soldered elements. Flashing to extend upslope of the chimney 16"on the roof
deck,and 12" up vertical side of the chimney. Extend the head pan flashing 6" past the chimney on the
roof deck; and, extend the head pan flashing 6" down the roof slope to flash over the new step
flashings.The head pan flashing is also to extend 4" beyond the outer rake edge and incorporate a
stucco kick-out positioned at the outer rake edge. This flashing is to provide a flashing flange behind the
new stucco application and a stucco kick-out to prevent water from getting behind the stucco which will
be applied following the roof repair.Match the exterior edge face profile of the new flashing with the
existing drip edge. Solder the head pan flashing at the angle transition joinery and the kick-out.
d. New Counter-flashing at chimney: Fabricate,furnish and install utilizing a spring-loaded design profile,
from an 8"stretch-out,with a 4" concealed vertical flange;this part of the new flashing will end up
behind the new stucco application following the roof repairs.Hem the lower edge,fabricate with a 5/8"
kick.
March 12,2018 3
Roof System Consulting&Forensics LLC-Riverbend HOA-Roof Repair Specification
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Roof Repair-Opt ionA-Water Diversion Cricket and Flashing
This option is for Construction of a top backside water diversion drainage cricketin lieu of the Hea,
DRB
A. Construct a top backside water diversion drainage cricket utilizing 5/8"CDX plyw0266
wood blocking at the widest portion of the cricketfor support.The wide portion® the cricketis
to be level (approximately 12"wide).
B. New Roof Cricket—Sheet Metal Flashing: 24-gauge galvanized steel, painted to match the color
of prefinished flashing following fabrication with soldered elements. Roof cricketflashing 12" up
vertical side of chimney and 12" upslope from the widest part of the cricket.Extend the cricket
pan flashing 6" past the chimney on the roof deck;and, extend the cricket pan flashing 6" down
the roof slope to flash over the new step flashings.The cricket pan flashing is also to extend 4"
beyond the outer rake edge and incorporate a stucco kick-out positioned at the outer rake edge
in order to provide a flashing flange behind the new stucco application following the roof repair.
This flashing is to prevent water from getting behind the stucco which will be applied following
the roof repair.Match the exterior edge face profileof the new flashing with the existing drip
edge. Solder the cricketflashing at angle transition joinery.
March 12,2018 4
Roof System Consulting&Forensics LLC-Riverbend HOA-Roof Repair Specification
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Chimney Cap Replacement
The Chimney Cap Replacement for each of the chimney caps consists of: , 1:1131
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A. Following installation of the new stucco by others,the existing chimney shrouds are to be removMeotoiside
for re-installation following installation of new chimney caps. AM
B. The existing chimney caps are to be removed, disposed of,and replaced with new 16 oz. Copper Chimney Cap
flashings.
a. New chimney caps are to have an integral,soldered,tapered,chimney flue-pipe Jack which extends 10"
above the horizontal portion of the new cap.
b. Above the top of the integral flue-pipe Jack; provide a copper rain collar attached to the flue pipe(3'
min. width).
c. The top edge of the rain collar and the flue-pipe Jack are to be sealed with Polyurethane Sealant.
d. The vertical face dimension of the new cap is to be 6", bottom edge hemmed with a %" kick.
e. The chimney caps are to have two new 20 oz. hat channels (2" wide x 1"tall) positioned to provide
mounting locations for the existing chimney shrouds.The hat channels are to be soldered to the
chimney caps.
i. The existing chimney cap shrouds are to be mounted with screws or bolts and nuts to the tops
of the hat channels.
f. No fastenersfor any reason are allowed to penetrate the horizontal portion of the chimney cap.
g. Secure the chimney cap through the vertical face utilizing screws and rubbergasketed washers.
h. To complete the chimney cap installation, include a new slip flashing fabricated from a 6" stretch-out to
be positioned behind the cap vertical face, and over the top edge of the new stucco, bottom edge
hemmed with a %" kick.
i. The existing chimney shrouds are to be removed and re-installed on the new chimney caps on top of the
hat channels.
March 12,2018 5
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Additional project requirements: {*+
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• Taxes:Include costs for all applicable City and State taxes. J jqD131
111
• Permits/Codes: Obtain any building type permits as required for this jurisdiction; include and pad p .
associated costs.Comply with Building Codes. APPROVED
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• Insurance: Provide written documentation of G.L.,Auto,and Workman's Compensation and otherfnsurance
requirements as established by owner's representative.
• Contractor shall comply with OSHA requirements and standards throughout the project.
• Contractor shall comply with owner requirements during the performance of the work.
• Submittals: Provide material product data sheets,samples and a Contractorswarrantyformwith written
proposals for the owner's review purpose. Project requirements are to include a 5-year Labor and
Workmanship Warranty pertaining to the specific roofingand sheet metal repair and replacement work
described here-in.
• Proposal:Organize in CSI/Contractor proposal format.List the bid as a Lump Sum including all costs associated
with performing the work in accordance with this Scope of Repairs document.
o Break out the total costs for the Roofing Repair,the Chimney Cap Replacement,and the Option A Water
Diversion Cricket& Flashing for the HOA owners accounting purposes.
Pre-Construction meeting:
The selected contractor's office representativeand the full time onsite foreman will be required to participate in a pre-
construction meeting with the HOA Owner's representative prior to commencing work.
Topics to be discussed will include but not be limited to:
• Schedule: Start dates, duration &completion dates. Working hours daily...start&end times acceptable to the
HOA.
• Means & Methods the contractor intends to employ to complete the work.
• Safety hazards & measures/ precautions to eliminate, minimize & manage them. Safety in relation to the
occupants of the building &the public as well as the contractor's employees and suppliers/all others whom will
be on site during the work.
• In progress protection measures and processesto protectthe building components and interior contents from
water damage during the course of the project.
• Quality Control/Assurance processesthe contractor will utilize.
• Note:The Owner(Insured) may, at their digression,utilize internal/external parties to evaluate, confirm,accept
/ reject completed work that fails to meet the Scope of Repairs.
Roof Repair& Chimney cap Replacement-Clarification/Questions—Contact
Roof System Consulting& Forensics LLC:Mr.Conrad Kawulok,303-641-2594; C.Kawulok@RoofConsulting.us
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Roof System Consulting&Forensics LLC—Riverbend HOA—Roof Repair Specification
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Riverbend HOA - Vail Colorado '"
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Roof Repair& Chimney Cap Replacement- Roof Repair— Opt ion A ..) t.
DRB
APPROVED
5/3/2018 12:00:00
Request for Proposal(RFP) AM
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Chimney Cricket Opt ionA Schematic- Concept in Yellow
Chimney Cricket Opt ionA— Metal Flashing Schematic-Concept in Red(St uccoKick-out in White)
Mandatory Pre-bid Meeting:Tuesday April 17, 2018 @ 10:30 AM
Bids Due:Thursday April 26th, 2018 @ 2 PM
Roof System Consulting& Forensics LLC
March 12,2018 7
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Roof System Consulting&Forensics LLC-Riverbend HOA-Roof Repair Specification it4 li
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Riverbend HOA615
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Vail Colorado wagecn 111''
DRB
APPROVED
Roof Repair& Chimney Cap Replacement 55/3/201812:00:00
Request for Proposal(RFP)
Bid in compliance with "Roof System Consulting& Forensics-Specification"? Yes No
Note: If there are exceptions/variations to Specifications list them and the reasons for them on a separate attached
sheet.
Contractor Name:
Contractor Address:
Contractor Representative regarding this Bid:
Contact information:
Project Base Bid Roof Repairs including work on Chimney Caps&Shrouds:
Add Option A—Chimney Cricket:
Bid break-out:
New Chimney Caps break-out:
Project schedule:
Duration:
Attachments:Include Warranty,References,Certificate of Insurance and other information which will be of the HOA's
interest in evaluating this bid proposal.
March 12,2018 8