S02 - Att 1 SOW Rev 1c - Repair Water Intrusion B400 3-8-22.pdf

Tomah VA Medical Center Project Engineering

SCOPE OF WORK MEMORANDUM

A. Project Data:

a. Title: Repair Water Intrusion B400

b. Location: VA Medical Center, Tomah, Wisconsin Building 400

c. Project #: 676-22-113

There are 6 portions of this contract. This contract will be firm fixed price awarded to the lowest responsive bidder.

• Task #1 Seal and Tuck-point Building

• Task #2 Replace Roof

• Task #3 Paint exterior wood & venting

• Task #4 Replace Heat Tape

• Task #5 Gutter Lines

• Task #6 Restoration and painting of the Cupola

c. COR: Mike Jumbeck

d. Time requirement:

e. 120 days construction time from Notice to Proceed

B. Provide work as per Scope of Work outlined below.

C. See drawing for laydown area.

D. Vendor to provide plan to eliminate any dust contaminates or fumes from entering occupied building due to mission criticality.

E. The contractor shall provide labor, material, and equipment necessary to accomplish the following work on Building 400 in accordance with federal, state, and local authorities, VA master construction specifications and the requirements of the Wisconsin State

Historic Preservation Office.

F. Refer to drawings, VA Guidebooks, and specifications for details of this project.

G. All work needs to be compliant with ASHRAE 90.1-2019.

Work required:

Task #1: Seal and Tuck-point, Building 400

1) It is estimated that 25% of the building will need Seal and Tuck-pointing.

2) Seal and Tuck-points will start from the top of the building and work downward

3) Repair all limestone caps and window limestone.

a) Repair limestone by pining and patching with color matched epoxy

b) All limestone caps and window limestone surfaces to be sealed.

4) Power-wash the whole building and clean the marble front steps.

5) Specifications:

a) Refer to “676-22-113 B400 and Masonry Restoration Dwgs” for Masonry repair key notes & examples.

b) Additional areas of restoration need have developed after the report. Some examples of these are below. The restoration is not limited to the examples shown therefore the contractor must field verify all site drawings and measurements and conditions.

c) Refer to Masonry Restoration Specs drawings G100 thru G102

d) Refer to division 4 masonry of master construction specifications

e) Specification 04 05 16 is for the grout, which is not exposed.

f) Specification 04 05 13 is for the mortar, which requires alteration work mortar to match existing.

g) The contractor must present a brick and motor sample board to ensure matching of existing mortar on the building using ASTM type N mortar as there is no “specific” color for our grout, it is a custom mix/color that is typically mixed on site to match.

h) When replacing existing broken building bricks broken. Contractor must match existing building bricks to preserve historic look.

i) Repair all limestone cap and window surfaces and seal.

Task #2: Replace Entire Roof of Building 400 with exception of the canopy.

Task #2-1: Replace Entire Roof of Building 400 with exception of the canopy

(General)

Estimated Roofing calculations the contractor must field verify all site drawings and measurements and conditions.

a) The contractor must field verify all site drawings and measurements and conditions.

b) Estimated Roofing calculations: Pitched roofing = 25,315 sq. ft.

c) Estimated Dormer roofing 1,100 sq ft.

d) Estimated Dormer wall Cladding 650 sq ft

e) Estimated Flat roof sq ft. 5,555

1) Fencing, barricades & protection:

a. Temporary 6’ chain link fence around work area, with patient access to the building.

i. Contractor to provide fencing plan if not fencing the total area for the duration of the project.

ii. Contractor to provide overhead protection for all patient access points

iii. Contractor to provide vehicle access to delivery area “A’ See 676-22-

113 replace roof dwg.

iv. See 676-22-113 replace roof dwg.

b. Temporary road barricades need to be provided if street closer is necessary.

See drawing 676-22-113 replace roof dwg.

2) Demolition and removal of roofing material

a. Provide demotion and removal of roofing material.

b. Provide disposal of demo material and dumpsters with refuse weight tickets with disposal location.

c. Provide recycling of materials when required. Dumpster location allowed near building. See laydown area plan drawing.

Task #2-2 Replace Pitched Roof, Dormer Roof & wall cladding Building 400

a) Replace all pitched roofing on building 400 roof (Minus the canopy) with

4IFUE1180 Inspire Classic Slate Shingles Charcoal Black by Westlake per manufactures specifications.

i. Resources – Composite - Inspire Roofing

ii. Inspire Composite Roofing - Westlake Royal Roofing Solutions

iii. Classic-Slate-Installation-Guide-0820.pdf (westlakeroyalroofing.com)

iv. https://westlakeroyalroofing.com/wp-content/uploads/boral-resource/Classic-

Slate-Installation-Guide-0820.pdf

v. See drawing 676-22-113 replace roof dwg. for areas

b) Provide extended 20-year warranty.

c) Shingles must be well mixed between manufacturers lot or batch manufacturing dates. Per manufactures specifications

d) This task will remove the existing roofing material down to bare wood. It is estimated that 10% of any portion of the roof deck shows signs of rot and excessive wear.

e) Insulation on sloped roofs to be sprayed up to 4.5” of Spray to achieve a min of R-30

f) Install all vents, drip edges, flashing, and shingles per specifications Match existing Aluminum color and texture when replacing.

g) Install Ice and water shields per specifications

i. Use Snow guards 077100 by alpine. To match canopy. see 012 snow guards.doc

h) Extend any plumbing and steam vents as required.

i) Replace and install stainless steel man-fall protection anchor devices for all sides of roof.

https://westlakeroyalroofing.com/inspire-composite-roofing/

Task #2-3 Replace Flat Roof, Dormer Roof & wall cladding Building 400

a) Install new EPDM rubber roofing material 60 mil thickness in accordance with installation guide. Provide extended 20-year warranty.

i. Color Cream, Tan or Camel TBD

b) Install new roofing insulation thickness as per roofing guide to meet (ASHRAE

90.1-2019) Zone 6 standards for R-30 minimum insulation (ci) glue fastened insulation. Roofing insulation to start at the wall and arranged to taper at the drains. (Contractor to Field Verify)

c) Provide cleaning and preparation of mechanically secured insulation surface if required.

d) Install Ice and water shield along with Rhino Roof U20 roofing underlayment or equivalent.

e) Extend any plumbing and steam vents as required.

f) Raise Air Handling Unit Trunks and Ventilation stacks as required.

g) Match existing Aluminum color and texture.

h) Provide and install new rubber equipment servicing walkway paver pads

i) Raise roofing drains to mate with insulation. (Exterior connection work). Install new roof drain gratings as required.

Task #2-4 Remove, clean, and replace all capstone joints.

a) Remove, clean, and replace all cap joints per specifications.

b) Match color of limestone as close as possible

c) Clean cap surfaces and seal.

d) Use flexible 20-year sealant between caps

e) Sealant to be color matched with caps

Task #3: Paint trim, vents, and doors on roof level of Building 400

a) Strip and Paint all Exterior roof pipe vents. Color = architectural brown eggshell.

Replace or extend as needed

b) Strip and Powder-coat all exterior intake / exhaust vents louvers & frames. Color = architectural brown eggshell sheen. Replace as needed

c) Clean intake screen mesh.

d) Replace and Paint all attic windows match existing color

e) Strip and Paint all equipment framing (match existing color)

f) Install bird spikes

Task #4: Replace Heat Tape, Building 400

a) Add control system to run only when needed

i. To run manually and to only run when it is cold enough, precipitating, snow / ice around the heat tape.

ii. To be integrated with the VA’s mechanical building system.

b) Run heat tape to all gutters, and downspout into building about 3 feet down.

c) Replace all existing heat tape on building 400 up to the junction boxes using the same Raychem heating cable currently installed to reduce the need to change electrical boxes.

a. Install per manufactures specifications

b. this includes the first disconnect. See drawing for gutter and valley locations.

Task #5: Gutters, building 400, current connections are leaking.

a) Tuck points all gutters

b) Replace all gutter liners

c) Downspout’s connections are leaking between liner and downspout.

i. Fix by resealing between downspout and gutter

ii. Also fix by lining the gutter liner down the downspout to ensure water seal between gutter and downspouts.

Task #6: Restoration and painting of the Cupola, Building 400

The cupola background:

The cupola sits atop the flagship building on the Tomah VAMC, Building 400. The cupola is what is seen by most if not all people when they enter the campus. The condition of the cupola has deteriorated over the last several years.

a) Strip and Paint all surfaces with one coat of primer and two coats of

Spraylastic finish paint.

b) Paint all exterior wood trim as needed.

c) Repair tower brick and surfaces as required.

d) Inspect tower exterior for additional damage and repairs

e) Seal Copper / Lead clad roofing as required.

f) Replace boards as required

Additional requirements:

a) Provide a clean/safe work environment during construction per Veterans Affairs safety regulations and Occupational Safety and Health Administration guidelines.

b) Due to weather conditions at Tomah VAMC a weather hold may be issued for this project.

c) Contractor must protect buildings and grounds in contact and around from damage during their construction and or project.

i. If buildings or adjacent grounds are damaged, they will need to be repaired with like kind before project completion.

d) Contractor must field verify all site drawings and measurements. Changes must be approved by the resident COR/ACOR before any work is to be done on historical facilities.