Tender For Repair Of Existing Oht Of 202 Cobra, Koraput-Odisha

Tender For Repair Of Existing Oht Of 202 Cobra; 1 Providing and fixing double scaffolding system (cup lock type) onthe exterior side of building/structure, upto 25 metre height, aboveground level, including additional rows of scaffolding in stepped manneras per requirement of site, made with 40mm dia M.S. tube, placed1.5 metre centre to centre, horizontal & vertical tubes joint with cup& lock system with M.S. Tubes, M.S. tube challis, M.S. clamps andstaircase system in the scaffolding for working platform etc. andmaintaining it in a serviceable condition for execution of work ofcleaning and/ or pointing and/ or applying chemical and removing itthereafter. The scaffolding system shall be stiffened with bracings,runners, connecting with the building etc, wherever required, if feasible,for inspection of work at required locations with essential safetyfeatures for the workmen etc., complete as per directions and approvalof Engineer-in-charge. 2 Providing and applying integral crystalline slurry of hydrophilic innature for waterproofing treatment to the RCC structures like retainingwalls of the basement, water tanks, roof slabs, podiums, reservior,sewage & water treatment plant, tunnels / subway and bridge decketc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystallineslurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integralcrystalline slurry : 1 part water) for horizontal surfaces and applyingthe same from negative (internal) side with the help of synthetic fiberbrush. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e by reducing permeability of concrete by more than90% compared with control concrete as per DIN 1048 and resistantto 16 bar hydrostatic pressure on negative side. The crystalline slurryshall be capable of self-healing of cracks up to a width of 0.50mm.The work shall be carried out all complete as per specification andthe direction of the engineer-in-charge. The product performance shallcarry guarantee for 10 years against any leakage. For vertical surface two coats @ 0.70 kg per sqm 3 For horizontal surface one coat @1.10 kg per sqm. 4 Providing flanged joints to double flanged C.I./ D.I. pipes and specials,including testing of joints :150 mm diameter pipe

Refer document

INR 2 Lakhs /-