Structural Strengthening Works at Ghantakaran Pumping Water Supply Scheme Intake Well in block Chamba Dist Tehri Garhwal

Amount

Cleaning it with wire brush removing oil,laitance if present,& removing dirt,dust with wire brush including rubbing with sand paper and other chemical agent as approved by Engineer-in-charge.

Making the opening in brick work including dismantling of wall by cutting masonry and making good the damage to wall,flooring and jambs complte,to match existing surface including disposal of malwa/rubbish to the nearest dumping ground.All completeas per direction of Engineer-in-charge.

Providing fixing of Rolling shutter 3mx3m

Providing& fixing roofing consist of 0.9mm thick galvanized steel deck sheet confirming to is:277:1992 used at permanent shuttering over which M.s wire mesh 3mm laid at 100x100 mm grid including edge trim covered with concrte.This metal deck will be supported on structural steel beam with shear studs.(structural steel like beam,column,joists etc and concrte of different grade as per design will be paid separately)

Reinforcement cement concrte work in beam,suspended floor,roof having slope up to 15 degree landing,balconies,shelves,chajja,lintel bands ,plain window sills,stair case & spiral stair case above plinth level up to 5th floor level.Excluding the cost of centering,shuttering finishing & reinforcement with 1:1.5:3 (1 cement:1.5 coarse sand :3 20 mm nominal size stone aggregates)

Steel reinforcement for R.C.C work including straingthening,cutting,bending,placing in position & binding all complete above plinth level TMT-Fe-5000 or more.

Strengthening structural elements with Glass fiber Reinforced polymer wrapping system compries of uni-directional glass fiber,Grinding/moulding concrte substrate,cleaning it with wire brush removing oil laitance if present,rounding sharp edges to min.25 mm radius etc,complete profiling.Applying compatible primer on prepared substrate,filling the holes & neven surfaces with thixotropic putty etc.complete sheet (900 GSM) & compatiable saturate by wet layup system.

Strengthening structural elements with Carbon fiber Reinforced polymer wrapping system compries of uni-directional glass fiber,Grinding/moulding concrte substrate,cleaning it with wire brush removing oil laitance if present,rounding sharp edges to min.25 mm radius etc,complete profiling.Applying compatible primer on prepared substrate,filling the holes & uneven surfaces with thixotropic putty etc.complete sheet (230 GSM) & compatiable saturate by wet layup system

Providing,mixing & applaying polymer modified cement mortar (immediately after the application of the cement based polymer modified bonding slurry coats as per specification) in layer 6 to 10 mm thick including troweling with wooden tools etc.complete as per specification & direction of Engineer-in-charge.For payment purpose pre-measurement of thick ness shall be done just after the surface is preparation is complete including all materials ,labour,T& p as approved by Engineer-in-charge etc.complete with cement mortar 1:3 with tape crete of approved brand only.

Providing & fixing 16 dia RE500 V3 chemical anchor 200 mm embedded in concrte complete in all respect.

Scaffolding work for external wrapping,plastering & painting work used to support crew& materials to aid in the maintenance & repair of building/ structurals.

BN ENGINEERS AND ASSOCIATES