Military Engineer Services Tender

Racking 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 remove bitumen Grade 'B' and to remove sticking sealing compound from the sides and top 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. dirt/dust 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 polyurethene back up rod of suitable dia to ensure tight packing so that no gap or voids exist at the top of backer 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 (10mm to 15mm wide) shall be sealed with provision of polysulphide joint sealant using Techseal-RDL 941EH or Techseal PU-2 of M/s Choksey Chemicals Pvt limited/Rallithane or Colpor-200 of M/s Fosroc chemical (India) Pvt Ltd./Seal N Flex FC or Seal N Flex 2K polyurethene joint sealant manufactured by BOSTIK INDIA PVT LTD and with primer N-49 and filling the joints with Polyurethane based sealing compound as laid down in manufacturer's instructions and as directed by Engr-in-Charge. Minimum clear depth of sealant above back up Rod shall be 10mm complete all as specified and as directed. NOTES:- (i) Size of joints shall be made by cutting in case not available at site. (ii) If width of joints by cutting exceeds as specified above, the same shall be filled by polyethylene 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 to be included in the item rate quoted by tenderer. No extra payment for provisioning of sand (if any) shall be made. (iv) Masking tape shall be applied on edges of joints to prevent accidental slippage of sealant and shall be removed after filling with sealant. Cost of the same shall be deemed to be included in the item rate quoted by tenderer. Make of sealant shall be Techseal-RDL 941EH or Techseal PU-2 of M/s Choksey Chemicals Pvt limited/Rallithane or Colpor-200 of M/s Fosroc chemical (India) Pvt Ltd./Seal N Flex FC or Seal N Flex 2K polyurethene joint sealant manufactured by BOSTIK INDIA PVT LTD and with primer N-49 as laid down in manufacturer's instructions including marking 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.

Description all as per srl item No 1.00 here-in-before but joints 16mm to 24mm wide and 10mm minimum clear depth of sealant above back up rod complete all as specified and as directed.

Description all as per srl item No 1.00 here-in-before but joints 25mm to 30mm wide and 12mm minimum clear depth of sealant above back up rod complete all as specified and as directed.