SPL REPAIR TO 0.75 LAC GALLON RCC UNDERGROUND SUMP AT PORTHARAPUR WATER POINT PORT BLAIR.

Amount

Removing loose and broken concrete/ masonary surface by chiseling/ mechanically etc from the rcc wall. roof slab, coloumn, beam and similar structural members cutting edges, cleaning the dismantled portion with wire brush etc to make the reinforcement naked and remove dust, dirt and other foreign particle etc and removig to debries 50 Mtr from site complete all as specified and as directed.

Drilling of holes of size 10/12 mm dia to a depth of of 50 to 100 mm into the concrete surface/ crack using rotary cum hammer drill and fixing PVC/ brass nozzles with epoxy based sealent to facilates grouting. The spacing of nozzles shall be as decided complete all as specified and as directed.

M & L high strength epoxy based for grouting over the concrete surface by injecting through the nozzles to strength the weak concrete. The system should have suitable viscosity which will enable it to soak into weak concrete and on subsequent polymerisation bind the loose and weak concrete complete all as specified and as directed. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

Cutting out existing cracks in concrete surfaces forming grooves of 25 mm X 40 mm size,cleaning the groove thoroughly with blower,applying primer coat of the mix of Base & Hardner with suitable brush to form a film on the surface of groove,filling the groove with putty made by mixing Base,Hardner and river sand and finally applying the sealing coat of the same mix and in the manner primer coat is applied complete all as specified and as directed. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

M/L for applying rust-remover and applying Rust preventive to all exposed reinforcement bars complete all as specified and as directed. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

S&F Mild steel TMT bars 10mm dia and over as reinforcement for concrete, cut to length, bent to shape required, including cranking, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia complete all as specified and directed.

M&L for drilling 15mm dia holes in to RCC slab / wall / Column /beams to a depth of 100 to 150 mm & provide shear connector of 12 mm dia rod bent to "L" shape with 75mm to be embedded in holeof 100 mm to be used as dowel, fixed with polyster resin grout mixed mechanically and pour the same into the hole and insert the shear connector and finish the top; allow the same to set complete all as per manufacturer's instructions and as directed by Engineer-in-Charge. M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

S&F for hard down steel wire fabric not exceeding 3 kg/sqm cut to lengths, bent to shape mild steel wire, (annealed) not less than 0.9 mm dia as in reinforcement complete all as specified and as directed

M/L for applying one coat of epoxy bonding coat as per manufacture's instruction to bind old concrete / masonary surfaces of soffit of slab, coloumn, beam and similar structural members for new gunited / cement surface. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

M/L for pressure guniting 40 mm average thickness in cement mortar 1:3 to all affected RCC structures including necessary scaffolding modyfying with mortar with admixture all as per manufacturer's instructions including making good as directed. Note: (i) The rate quoted shall include cost of admixture. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

M&L for applying curing compound on gunited surface for complete curing as per manufacturer's instructions. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

M&L for applying polymer modified cement mortar rendering 15mm average thick in CM 1:3 on guniting/ roof/ masonary wall surface duly mixing polymer modifier polymer modified mortar complete finished even and smooth without using extra cement all as specified and as per manufacturer's instructions. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

Applying two coats of cementious water proofing treatment of any description on new /old plastered/ concrete surface inside RCC overhead tank as specified and as directed. Make: M/s. Fosroc Chemicals India [P] Ltd. / M/s. Sika India Pvt. Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s. STP Ltd. / M/s. Bostik India Pvt. Ltd. / M/s. Thermax Ltd. / M/s. Hindcon Chemical Ltd. / M/s. Asian Paints Limited

Demolition of PCC Block walling built in CM 1:6 complete all as specified and as directed

M&L precast cement concrete block masonry with PCC solid blocks in 1:3:6 type C1 using 20mm graded stone aggregates, exc. 10cm in width and set in CM 1:4 complete all as specified and directed.

M&L for Rendering 10mm thick in cement mortar 1: 6 on faces of brick work or concrete surfaces, finished even and smooth without using extra cement etc complete all as specified and directed.

M&L for oil bound distempering two coats over a coat of alkali resistant priming paint including preparation of new plastered or unplastered surfaces of wall complete all as specified and directed.

M& L for Finishing walls with Acrylic smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm) etc complete all as specified and as directed. (Make Apex Ultima)

Dismanteling any type of Floor or Wall tiling including cement mortar bedding (but not backing) and Removing Rubbish out side of the MD Land all as directed.

M & L for Dark coloured vitrified tiles 10 mm thick (square/rectangular) polished, area of each tiles n exc. 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed with coloured or white cement to match including screed bed 15mm thick 1:4, complete all as specified and as directed.

All as per item No. 20 above, but on vertical surfaces except screed bed including 10mm thick CM 1:3 as in backing coat of dado/Skirting complete all as specified and as directed.

Bismi Builders & Enterprises

M/s Kamal Electrical

Nirman Construction Company

M/s Prem Enterprise

SKY GROUP

M/s Saina Enterprises

Tropical Refrigeration