306_Dixwell_Ave_-_Demolition_Specs_VER1.docx

Demolition of Structure(s) located at 306 Dixwell Avenue (Mixed use building), New Haven CT

SPECIFIC SPECIFICATIONS AND SPECIAL CONDITIONS

Description of Project: The purpose of these specifications is to obtain services for the demolition of structure(s) located throughout 306 Dixwell Avenue New Haven CT. Prevailing wages applied.

A pre-bid conference has been scheduled to be conducted at (TBD):

1. the Purchasing Office, Hall of Records, third floor, 200 Orange Street New Haven, CT. This meeting will allow contractors to discuss the specifications and resolve any questions and/or misunderstandings that may arise with City staff. You are invited to attend.

OR

2. 306 Dixwell Avenue New Haven, CT. This meeting will allow contractors to discuss the specifications and resolve any questions and/or misunderstandings that may arise with City staff. You are invited to attend.

Scope of Services:

The contractor shall furnish all supervision, technical personnel, including all required environmental services and programs, labor, materials, machinery, tools, equipment, and services. Including utility and transportation services and performing and complete all work required for the demolition and removal of all structures as required under this contract.

Detailed Demolition Specifications:

All vendors should read the following pages thoroughly to gain a clear understanding of all requirements under this bid. When making a price quote, vendors must include all costs including demolition, permit fees, dumping fees, waste disposal costs or fees, when performing demolition services. All salvage materials resulting from work under this contract and located within the specified areas will become the property of the contractor.

All building demolition work shall be completed within fifteen (15) days after the job has been given to the contractor unless permission is given by the City of New Haven. A request for final inspection of the demolition work must be submitted to the OBIE within three (3) days after the demolition is completed.

Demolition shall not commence until the following conditions have been determined:

A pre-inspection of the site, Assigned Contractor’s equipment and machinery, including all licenses and certificates of insurance, has been conducted by the City of New Haven. If approved, a demolition permit will be issued to the Assigned Contractor by OBIE City of City of New Haven.

Assigned Contractor must obtain a rodent certification from a licensed exterminator indicating that rodent extermination services have been initiated prior to the planned demolition. This will be handled by the Assigned Contractor.

Masonry and foundation walls located below grade as well as construction debris, rubbish and other unsuitable or surplus soil material shall be removed by the contractor. Structural steel, cast iron, and heavy timbers shall be removed in individual pieces and carefully lowered. Regardless of elevation, all concrete slabs and floor construction to include basements or cellars shall remain, but it must be prepared for proper drainage with basement floor and masonry cross walls shall be sufficiently broken up into sections not to exceed fifteen cubic feet and shall permit drainage. All partitions, stairways, furnaces, piping, apparatus, and debris shall be removed from within existing basements. The square footage of sidewalks, patios, sheds, porches, and outbuildings are included as part of this demolition project. Common filling material shall be placed in ten (10) inches to twelve (12) inch lifts and compacted to a minimum of 97% density in areas where the foundation material has been removed. All trash, rubbish and debris found on the premises at the start of work, as well as that results from the demolition activities (including rubble, concrete slabs, and foundation exposed above the ground level), or deposited on the site by others during the duration of the contract, shall be removed and legally disposed of by the Assigned Contractor. Receipts for disposal shall be kept in file at the contractor’s office and shall be available for City inspection during normal business hours. The contractor shall always keep the premises and public right-of-way reasonably clear, especially for emergency vehicles. All fills must be packed to professional standards and sloped to drain adequately.

The Assigned Contractor must provide barricades, flashers, and other necessary safety equipment during all times of demolition and debris removal. Dust shall be suppressed by a continuous water spray during demolition. Clean adjacent structures, facilities, and improvements of dust, dirt, and debris caused by demolition operations. Return adjacent areas to conditions existing prior to the start of the Work.

Upon completion of the Work, all materials, equipment, waste, and debris of every sort shall be removed, and premises shall be left, clean, neat and orderly.

Damages:

Repair of all damage done to sidewalks, driveways, fences, streets, fire hydrants, street and traffic signs, light standards, or adjacent structures shall be at the contractor's expense.

Utilities:

All utilities have been cut off and capped on the street/right-of-way. In this case: The City will notify all applicable utilities to discontinue/disconnect services. Before starting demolition, the contractor will confirm all utilities have been disconnected. If the utilities have not been disconnected, the contractor will contact OBIE to advise them of the situation. The Assigned Contractor will preserve in operating condition all active utilities traversing the areas where demolition and removal work is to be done, protect manholes, catch basins, valve boxes, poles and other appurtenances.

Assigned Contractor must submit the following plans (these plans must be approved by the City of New Haven Transportation, Traffic & Parking):

· Overhead Protection, Traffic and Pedestrian Safety Plan: Must erect overhead protection (scaffold) and heave duty construction fencing to enclosed demolition working areas

· Pedestrian Walkways: Due to proximity to adjacent buildings and walkways the use of scaffold must meet ADA compliance/code

· Traffic Control and Signage: If Assigned Contractor utilizes the services of flaggers, the flagger agency must provide current certification and/or registration for such services

· Signage: All signages must be installed well in advance of the work zone Asbestos Identification:

The City of New Haven will provide proper documentation to assist the Assigned Contractor with letters of Unsafe Structure and Imminent Danger for the purpose of an Alternative Work Practice Application for the Assigned Contractor to submit which is mandated by the State of CT Department Public Health for the removal of all contaminants and to be disposed of as per State regulations. A REGISTERED ENVIRONMENTAL PROFESSIONAL must be on site to monitor the removal of all contaminants’ materials. The Assigned Contractor must show proof of current authorization for dumping at a licensed landfill or other licensed waste disposal facility.

Photographic Evidence:

The successful contractor shall make photographic evidence of each parcel of land immediately prior to commencement of work, and again immediately after completion of work. Photographs shall be in color with a date stamp on each photo. Include the same landmarks in both the before and after pictures with the same angle and scale. Provide a panoramic view that will show the entire lot.