Broome Developmental Center - Concrete Entrance Walkway

Work includes, but is not necessarily limited to the following: 1.Remove the existing blacktop walkway at Building 4 (marked out in pictures at the end of this document but contractor responsible for verifying all field dimensions) and properly dispose of all removed materials. 2.Install and properly compact 6” of gravel subbase underneath all areas where new walk is to go. Gravel shall be placed in 3” lifts and compacted between each lift. Gravel shall be washed 2 stone. Area prepared shall support a concrete walkway 10’ wide going up from the road to existing patio and 6’ wide coming from the two side doors and joining up with the main walkway (see picture at bottom of document for reference). 3.Properly install concrete walkway in area that was excavated. Concrete walkway shall be composed of 6” of 4500 PSI concrete. Walkway shall be reinforced with welded wire mesh (6” x 6”, 10 x 10). Wire mesh shall be supported during concrete pour so as to be located midway in the pad. Air shall be entrained in the concrete to no less than 4% of the volume of the total pour and no more than 8%. Walkway shall be 10’ wide going up from the road to existing patio and 6’ wide coming from the two side doors and joining up with the main walkway (see picture at bottom of document for reference). 4.Walkway shall have proper control joints placed not more than 5’ apart. Where walkway comes up to the building, it shall have an expansion joint separating it entirely from the building. 5.Walkway shall have a broom finish or other facility approved non-slip finish. 6.Walkway shall be sealed with a penetrating sealer as soon as allowed by manufacture directions. Sealer shall be approved by facility personal and shall be rated to protect the concrete from the effects of ice melt. 7.Ground shall be sloped away from walkway for at least 36” on either side unless prevented by building wall. Walkway shall be no more than 2” above ground on either side. Ground shall be left in a smooth rock free and tamped state, but contractor shall be excused seeding due to the lateness in the season. 8.Contractor shall be responsible for providing coverings, additives, or anything else necessary to get walkway to properly cure in inclement weather. Contractor shall not be excused from meeting project deadlines due to weather. 9.Pad shall be fenced off with construction fencing when it is left to cure. 10.All work done shall comply with NYS Building Code and all other applicable codes. 11.All construction related debris are the contractor’s responsibility to removed and dispose of properly.

Division 31 -	Earthwork, Earthwork Methods.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways.