Attachment A - Project Specification Tension Fabric Demolition.pdf

PROJECT SPECIFICATIONS FOR:

Demolition of Tension Fabric Covered Buildings.

I. GENERAL

A. The Contractor shall provide all labor, materials, apparatus, trucking, tools, superintendence, and services required for completion of the work as described on the Statement of Work, Attachment A & A-1, and Attachments B-I.

B. Publication 408, latest edition shall be followed where referenced. A copy can be found at:

http://www.dot.state.pa.us/Internet/Bureaus/pdDesign.nsf/Constru ctionSpecs408and7?readForm

II. PHOTOS

A. Contractor to provide digital photos on a CD to the District Facilities Administrator (FA), Photos to be taken PRIOR TO beginning demolition, include but are not limited to:

1. Building Number Sign

2. Building all four (4) Sides prior to Disassembly

3. Structure (frame work) with Fabric Removed all four (4) Sides

4. All Anchor Points

B. Contractor to provide digital photos on a CD to the FA, Photos to be taken

AFTER demolition is complete, include but are not limited to:

1. Foundation without structure on all four (4) sides, or where the structure and foundation is being demolished, take photo of site after demolition.

2. Inventory of Tension Fabric Building items located at the designated storage area

III. WORK INCLUDED

A. This project is to provide the Department of Transportation (PennDOT) with the demolition of a tension fabric structure.

http://www.dot.state.pa.us/Internet/Bureaus/pdDesign.nsf/ConstructionSpecs408and7?readForm

B. The Contractor shall remove the tension fabric in a manner to ensure no damage to the tension fabric.

1. The tension fabric shall be removed in one (1) piece. No cutting of the tension fabric will be allowed.

2. Contractor may use the tension fabric or other method to cover any material in the building before beginning demolition of any structure.

C. Demolition of structure will be completed in a safe and timely fashion. Cutting, torching, burning off of any component, except the tension fabric, of the tension fabric structure is permitted.

D. Contractor to disconnect and remove all electrical devices, junction boxes, panel distributions, switches, light fixtures, and any other electrical related items mounted or attached to the tension fabric structure back to the service panel feeding the equipment.

1. The Contractor will disconnect and remove the entire circuit from the service panel feeding the above mentioned items.

2. All electrical service panels mounted on concrete walls that are determined to remain, the service panel, if mounted to the concrete wall, will remain in place.

3. All other service panels mounted to foundations to be demolished will be disconnected back to the main feed.

4. All electrical components are to remain the property of PennDOT.

E. All components related to the tension fabric structure remain the property of PennDOT. Contractor to retain and store all components associated with the tension fabric structure, attachment points and electrical items, including but not limited to:

1. Tension Fabric

2. Truss Framing & Purloins

3. Nuts/Bolts & Washers

4. Cables & Clamps

5. Foundation Anchoring Brackets

6. Lag Bolts & lag Screws

7. Tension Ratchets and Straps

8. End Wall Studs, Purlins, and Girts

9. Light Fixtures

10. Electrical Boxes and Panels

a) All small items similar to items 3,4,6,7, etc, to be sealed in weather proof bags & sealed PVC containers (i.e. 5 gallon buckets or larger)

b) Tension fabric structure fabric to be used to cover the stored tension fabric structure components and all electrical components.

F. Contractor to store, unless directed otherwise, all components associated with the tension fabric structure on-site at an approved PennDOT location to be determined by the FA.

G. Tension fabric structures constructed on any type of foundation other than concrete.

1. Includes the demolition of the existing foundation and footings, to a minimum of 2 feet below grade.

2. All concrete block removed from concrete block foundations will be retained by PennDOT. The contractor shall disassemble the concrete block foundation in a manner to allow reuse of the concrete block. All concrete block will be stored at a designated location on site to be determined by the Facilities Administrator.

3. Contractor shall restore the existing pad, foundation, and footing holes to existing grade with approved fill. Fill to be compacted in accordance with Publication 408, latest editions, Section 206.

4. Contractor to clean up work area, remove all debris from site, and dispose of the debris properly.

5. Contractor to remove all excavated material not reused from the site.

6. Contractor to provide waste receipt for any debris removed from site that is not applicable to the required stored materials.

H. Tension fabric Structures constructed on concrete foundation and walls.

1. Contractor to demolish and remove existing tension fabric structure components including but not limited to, Truss Framing, Anchoring Brackets, Tension Straps & Ratchets, Fasteners, Cables, and all other Hardware down to the existing concrete foundation and walls.

2. All concrete foundations and walls are to remain intact without damage from the demolition of the tension fabric structure.

3. Contractor to clean up work area, remove all debris from site, and dispose of the debris properly.

4. Contractor to remove all excavated material not reused from the site.

5. Contractor to provide waste receipt for any debris removed from site that is not applicable to the required stored materials.

IV. EARTHWORK

A. MATERIALS

1. Excavated on-site soil may be reused as fill if approved by PennDOT.

2. All fill material new or site excavated shall consist of debris-free, non-organic soil.

3. Provide selected granular backfill around sewer pipes, water lines, conduits, cables, etc.

4. Selected granular backfill shall consist of sand, stone, crushed stone or crushed gravel, reasonably free from soft and unsound particles and debris.

5. Drainage aggregate shall be provided as required by design.

6. Drainage aggregate shall consist of crushed stone or gravel with 100 percent passing 1 - 1/2" sieve and no more than 5 percent passing #4 sieve.

7. All compact material shall meet requirements of the Publication 408, latest edition.

B. EXCAVATION

1. Provide all equipment, material, labor and supervision to remove, haul and dispose of subgrade materials to satisfy scope of work for project completion.

2. All work shall be performed by responsible, skilled and qualified trades persons and equipment operators.

3. All work shall be performed in a manner as to prevent damage to property.

4. Prior to excavating the Contractor shall coordinate with utilities via the One Call System. Review all excavation work with utility companies.

5. Prior to excavating the contractor shall verify any existing PennDOT owned utilities via underground or overhead.

6. Relocate or protect in place utilities during earthwork operations.

7. Contractor will be responsible to repair or replace damaged utilities.

8. Notify the District Facilities Administrator for inspection of final excavations.

9. Protect excavation bottoms against freezing when atmospheric temperature is less than 35 Degrees F.

10. Excavate to permit construction and placement of forms.

11. Take appropriate measures to scope failures of excavation sides.

12. Provide all necessary shoring and bracing to guard against excessive movement or settlement of adjacent structures, sidewalks, streets, utilities, etc.

13. Contractor shall be liable for any damage incurred due to improper shoring and bracing.

14. Provide site drainage to prevent surface water flowing into open excavations.

15. Do not allow water to accumulate in excavations.

16. Divert water into storm drainage system or approved run-off area.

17. Stockpile satisfactory excavated materials where directed until required for backfill operations. Grade stockpiles for proper drainage.

18. Provide erosion control devices to contain soil on site.

C. BACKFILLING

1. Proceed with backfilling only after receiving approval from PennDOT.

2. Only material approved by PennDOT shall be used for fill material.

3. Provide all equipment, material, labor and supervision to backfill open excavations and bring surface to final elevations to satisfy scope of work for project completion.

4. All work shall be performed by responsible, skilled and qualified trades

5. Place backfill against concrete only after proper curing time.

6. Place approved fill material in uniform lifts without voids.

a) For machine compaction: 8 inches.

b) For hand compaction: 6 inches.

7. Carefully place, by hand, approved fill around utilities and compact without damaging utility construction.

8. Do not place backfill or fill material on surfaces that are muddy, frozen, or contain frost or ice.

9. Care shall be taken during backfilling operations not to damage areas of work.

10. Provide proper compaction during backfilling operations.

D. GRADING

1. Provide all equipment, material, labor and supervision to provide grading of subgrade to satisfy scope of work for project completion.

2. All work shall be performed by responsible, skilled and qualified trades

3. Rough, machine grade to uniform levels and slopes.

4. Allow proper levels for placement of all finish surfaces such as, but not limited to, concrete slabs, walkways, roads, topsoil, etc.

5. Transition areas of new work to areas of existing grade, allowing for proper drainage and run off.

6. Finish grade shall be reasonably free from rocks, roots and other debris.

7. Upon final grading and after completion of work, all areas of disturbance shall be reseeded and protected in accordance with Publication 408, latest edition.

8. Provide positive drainage on site at all times.

E. DISPOSAL

1. Remove any excess excavated or fill material from the site.

2. Dispose of all excess trash, debris and waste materials.

3. Haul materials in trucks with tight beds to prevent spilling on streets and highways.

4. Comply with local regulations regarding hauling and disposal.

5. Comply with all applicable environmental regulations.

F. PROTECTION

1. Take precautions necessary to ensure against damage to existing work to remain in place, to be reused, or to remain the property of PennDOT.

Damage to such work shall be repaired, or replacement shall be made, as approved by PennDOT at no additional cost to PennDOT.

2. Ensure the safe passage of persons around the area of excavation.

Provide temporary barricades as required.

V. WARRANTY

A. One (1) year Warranty on all workmanship.

VI. SUBMITTAL PROCEDURE

A. Submit one (1) copy of all items shown on submittal schedule except for "samples".

B. Identify project number, project name and location, and contractor's name and address on all submittals.

C. Submittals will be reviewed by PennDOT within two (2) business days upon receipt by the FA unless otherwise agreed upon both parties.

D. Provide space for review stamps of Contractor and PennDOT. Put contractor stamp of approval on each item submitted.

E. Revise and resubmit submittals as required, identify all changes made since previous submittal.

F. No work shall be performed until all submittals are approved by PennDOT. Work performed prior to submittal approval is performed at the Contractor's risk and may be subject to repair, replacement or other corrective measures as deemed necessary by PennDOT with no additional contract time or money.

G. Review of shop drawings will be general and for the limited purpose of checking for general conformance with the design; and shall not relieve the Contractor from the responsibility for proper fitting and construction of the work, nor from furnishing materials and work required which may not be indicated on the shop drawings when reviewed.

H. The submittals required are subject to reproduction for PennDOT's internal use only.

By signature on the bid, both the Contractor and the equipment manufacturer authorize PennDOT to reproduce any materials including printed literature and training aids, submitted in fulfillment.

VII. PROPOSED PRODUCTS LIST

Submit as specified herein.

VIII. SHOP DRAWINGS

Submit as specified on submittal schedule.

IX. PRODUCT DATA

Submit as specified on submittal schedule.

X. SAMPLES

A. Submit one (1) sample unless otherwise specified in individual specification sections.

B. Submit as specified in specifications and submittal schedule.

C. Submit sample to illustrate functional and aesthetic characteristics of the product, with integral parts and attachment devices.

D. Submit sample of finishes from the full range of manufacturer's standard colors, textures and patterns for selection.

E. Include identification on each sample with full project information.

XI. SUBMITTAL SCHEDULE

A. Abbreviations:

1. SoSu - Source of Supply

2. CoCh - Color Chart

3. DeDa - Descriptive Data or Catalog Cuts

4. Cert - Certificates

5. ShDr - Shop or Installation Drawings

6. Samp - Samples

B. Schedule:

Description of Items to be Submitted

SoSu

DeDa

ShDr

CoCh

Cert

Samp

1. Cost Breakdown x

2. Work Schedule x

3. Labor & Industry Permits x x

4. Digital Photos on CD and labeled x

6. Waste receipt x x

7. Backfill Material x x x