Q A Response_0001.docx

Are there work hour restrictions for this project?

· Reference contract specification 01 11 00 Part 1.7

Who is responsible for testing and inspection work?

· Contractor is responsible for all required testing and inspection as part of it’s quality control.

What permits will the contractor be responsible for?

· Any permits required through city, state and local utility companies as necessary.

Can Recycled Concrete meeting PennDOT 2A spec be used in lieu of stone?

· Concrete aggregate be ASTM C33/C 33M, Class 3S coarse aggregate or better.

What permits will the contractor be responsible for?

· Any required federal, state, and/or municipal permits as well as with utility companies as necessary. Additional information on archeological permits for excavations is detailed in contract specification 01 35 13.22.

Are street and sidewalk closure permits required? If so are these covered by the owner?

· Any required federal, state, and/or municipal permits as well as with utility companies as necessary. Additional information on archeological permits for excavations is detailed in contract specification 01 35 13.22.

Is the City of Philadelphia Streets Department aware of this project?

· Coordination with Streets Department intended to begin after contract award

What type of Traffic Control will be required for Pedestrians and Vehicles?

· Contract will meet all local and state requirements as necessary. Additional traffic control requirements are listed in contract drawings and specifications in keeping specific areas of the park accessible to the public during construction.

When is the anticipated Notice to Proceed?

· The intention is to begin work as quickly after award as possible.

On similar projects in the past in this area of the City some existing Pavers/Curbing and other items have not been in suitable condition before construction begins. For bidding purposes please provide an approximate percentage of new pavers and curbs to cover the cost to replace any unsalvageable materials.

· Contractor will provide photo documentation prior to initiating work as required in specifications. Any materials not deemed salvageable shall be brought to the contracting officer’s attention immediately prior to demolition.

Can materials deemed suitable by the engineer be stockpiled onsite near the work areas?

· Contractor staging area delineated on contract drawing L0.2

Please provide minimum requirements on supplying a Geotechnical Report for this project.

· Design based on 100% Construction Documents, Block 1, Independence Mall Landscape, Independence National Historical Park, Philadelphia, PA Dated December 2002.

Contractor to see sheets L6.3 and L6.4, see attached, from 100% Construction Documents, Block 1, Independence Mall Landscape, Independence National Historical Park, Philadelphia, PA Dated December 2002 – subsurface basis of design.

L0.2, General Notes, Note 6: “Contractor to obtain a geotechnical report for all pavement design and recommendations regarding; excavation, compaction, materials, pavement sub excavation and moisture control. The construction methods for excavation, compaction and subgrade preparation shall be in strict conformance with the geotechnical engineer’s recommendations.”

S3.1, Note 4.C: “Soil to have a minimum bearing capacity of 1600 PSF. Geotechnical Engineer to verify bearing capacity at time of excavation.”

Contractor to coordinate with Geotechnical Engineer on recommended depth of borings for proposed improvements; RE: Sheets S3.1-3.3.

Please advise what the existing bedding material and thickness area for bidding purposes.

· Design based on 100% Construction Documents, Block 1, Independence Mall Landscape, Independence National Historical Park, Philadelphia, PA Dated December 2002.

Contractor to see sheets L6.3 and L6.4, see attached, from 100% Construction Documents, Block 1, Independence Mall Landscape, Independence National Historical Park, Philadelphia, PA Dated December 2002 – subsurface basis of design.

For conditions under curb and gutter and asphalt paving, Contractor to reference PDOT standards for typical sub-surface conditions for bidding purposes.