REPAIR AND MAINTANCE OF JOINT FILLING, CRACKS AND EDGE SCRAPING OF PQC AND RUNWAY AT AF STN UNDER GE(AF) UDHAMPUR

Amount

Raking out existing filling in expansion joints, construction joints, dummy joints upto 25mm depth including scrubbing of joints with diamond cutter machine (Heavy duty) or gas flame torch with heat application to complete remove existing sticking sealing compound / Bitumen Grade 'B' from the sides, top and bottom of joints and totally cleaning the top surface of joints with brush and finally fanning with compressed air to make the joints free from all loose materials i.e dirtdust etc to entire satisfaction of Engr-in-Charge, applying with provision of bond breaker tape on bottom of joint and filling depth of joint with provision of polyethylene back up rod of suitable dia to ensure tight packing so that no gap or voides exist at the top of back up rod. The deteriorated edges of concrete joints (included upto 50mm either sides of the joints) shall be made good to true line with provision of polymer concrete. Joints (16mm to 24 mm wide) shall be sealed with provision of polyurethane base sealant using Rallithane/Colpor-200 of M/S Fosroc chemical (India) Pvt Ltd/Seal N Flex 2K polyurethane joint sealant manufurered by BOSTIK INDIA PVT LTD and with primer N-49/SIKA and filling the joints with polyurethane based sealing compound as laid down in manufacturers instructions and as directed. Minimum clear depth of sealent above back up Rod shall be 10mm, completed all specified and directed.

NOTES:- (i) Size of joints shall be made by cutting in case not available at site with diamond cutter. (ii) If width of joints by cutting exceeds as specified above, the same shall be filled by polyurethane based sealant and no extra payment shall be made. (iii) Remaining depth at bottom (after keeping provision for back up Rod & sealant) shall be filled with sand and cost of same shall be deemed included in item rate guoted by tenderer. No extra payment for provisioning of sand (if any) shall be made (iv) Masking tape shall be applied on edges of joint to prevent accidental slippage of sealant and shall be removed after filling with sealant. Cost of the same shall be deemed included in item rate quoted by tenderer.

(v) Make of sealant shall be Rallithane/Colpor-200 of M/S Fosroc chemical (India) Pvt Ltd/Seal N Flex 2K polyurethane joint sealant manufurered by BOSTIK INDIA PVT LTD and with primer N-49/SIKA and filling the joints with polyurethane based sealing compound as laid down in manufacturers instructions including masking tape 40mm wide on both edges joint before filling the joint and removing the tape immediately after applying sealant, or equivalent as approved by Accepting Officer. (vi) Expansion ioints, construction joints, dummy joints upto 25mm depth including scrubbing of joints with diamond cutter machine(Heavy duty) or gas flame torch with heat application to complete remove existing sticking sealing compound from the sides, top and bottom of joints and totally cleaning the top surface of joints with brush and finally fanning with compressed air to make the joints free from all loose materials ie dirtdust etc to entire satisfaction of Engr-in-Charge

All as per Srl Item No 01 above but joints 25 mm to 30mm wide and 12mm minimum clear depth of sealant above back up rod , complete all as specified and directed.

All as per Srl Item No 01 above but joints 31 mm to 35 mm wide and 15mm minimum clear depth of sealant above back up rod complete all as specified and as directed.

M&L for repair to cracks of width 2 to 8 mm in flexible surfaces by cleaning of all cracks with air compressor and make it free from dust and applying evenly blown hot bitumen of grade 85/25 in two coats with necessary interval to ensure complete filling /total filling of the gap in line with existing pavement, finally dry coarse sand mixed with cement in 1:1 ratio sprinkled on top complete ensure uniform finish all as per manufacturers instruction and all as specified and as directed by Engr-in-Charge.

M&L Scraping of grass shurbs, weeds, bushes, vegetation etc manually at ground level including removal of small irregularities in natural ground, stacking of spoil into heaps and removal of spoil exc 250 mtr and not exc 500 mtr and depsiting where directed by Engineer-in Charge. Note: Measurement for scrapping of grass shall be measured upto a max width of 75cm.

Excavation over areas, n.exc 1.5 m deep and getting out any type of soil complete all as specified and as directed

Removing excacated material exc 1.5 Km but not exc 10.00Km and depositing where directed complete all as spd and as directed

Supply only fine aggragate (sand) dust free as approved by Engr-in-Charge.

Spreading and levelling earth/sand in layer n exc 25cm thick in layer complete all as specified and directed.

DAVINDER SINGH

ASIA BUILDER

M/S SHARMA TRADERS

SARDALIA CONST CO

Bidder Name

SHIVAE CONSTRUCTION

SARDALIA CONST CO

ASIA BUILDER

DAVINDER SINGH

M/S SHARMA TRADERS