Spl Repair to static water tank No 03 and 21 at Mil Stn Dappar under GE (P) Dappar

Amount

Demolition of brick work built in cement mortar incl all quoins, arches, pillars, etc complete all as specified and directed by Engr-in-Charge.

M&L Brick work with sub class 'B' burnt bricks straight or curved on plan exc 6 m mean radius built in CM 1:6 complete all as specified and directed by Engr-in-Charge.

M&L Brick work with sub class 'B' burnt bricks straight or curved on plan exc 6 m mean radius built in CM 1:6 but except brick complete all as specified and directed by Engr-in-Charge.(serviceble Old bricks shall be reused after cleaning obtained from demolition).

Material & Labour for pumping out water from static water tank of capacity upto 50000 Gln including clearing of weeds, mud, sand /silt deposited at bottom by any means etc complete all as specified and directed by Engr-in-Charge.

Taking down cement plaster on brick or concrete walls of SWT etc or from any other situaton including raking out joints , hacking for key scrubbing , down with water etc all as specified and directed by Engr-in-Charge

M&L for cement plastering 15mm thick in two layers in cemet mortar 1:4 including mixing of liquid water proofing compound as per manufacturer's instructions on brick work or concrete surfaces or in chajjas/parapet walls etc finished even and fair complete all as specified and as directed by Engineer-in-Charge. Note : WPC will be measured and paid separately.

Supply only integral liquid water proofing compound complete all as specified & as directed by Engineer-in-Charge. Make : Pidilite/Sika

M& L for Waterproof Coating on Internal floor and wall using NITOCOTE CM 210 or equivalent of 2mm thickness and as specified in below steps by auth agency :- a) Surface Preparation: Surface shall be grained manual to ensure free from frost, surface laitance and contamination free from loose aggregate or other sharp protrusions with fairly smooth finish for application of waterproof coating. (b) Priming surface: shall be primed with water and wet the surfaces prior to coating. Any excess water collection shall be removed using sponge ensure for better bonding. (c) System: Providing and applying two coats to achieve minimum 2.0mm thickness, the waterproofing coating shall be of Nitocote CM210 or equivalent as approved by GE, an elastomeric cementations coating. System shall consist of two-component polymer modified cementations coating supplied in pre-packaged form. The product should be designed to be easily mixed on site using a slow speed drill fitted with mixing paddle to apply on substrate using trowel. The cured coating, after immersion, shall be capable of withstanding cracked substrate cyclic movement from 0- 300 - 0 microns at 15°C for 6,000 cycles without failure all as specified and as directed by Engineer-in -Charge at all levels. (d) Provide mechanical key : Sand shall be manually broadcast over the second coat immediately to ensure the protective layer shall be bonded to waterproofed coating layer. The rates quoted for this items deemed to be inclusive of all the provisons from (a) to (d) specified here-in-before.

Material & Labour for cutting channel , V groove n exc 15 cm girth in RCC wall and clean the surface by removing dust and unwanted material by air presure to insert nozzle for injecting cement slurry into cracks developed in the wall all as specified and directed by Engineer-In Charge. Note : The work to be executed by auth agency

Material & Labour for treating the “ V ” groove by Sealing the construction joints/cracks with crack sealing cementitious material Renderoc CS or equivalent as approved by GE in writing before incorporation in the work, following by providing injection treatment in the form of pressure grouting to the cold joint by injecting cement slurry mixed with grout admixture like Cebex 100 or equivalent @ 225 gms.per bag of cement or as per manufacture 's instructions in the required consistency through the pre fixed PVC nozzles in the 18 mm dia holes @ 0.5 mtr c/c , fixing of PVC nozzles with Renderoc Plug and final cutting the projected nozzles and sealing off the PVC nozzles after the injection operation is over with Renderoc plug or equivalent, non-shrink rapid setting mortar compound, finishing, curing etc. as per manufacturers specification and as directed by Engineer-in-Charge. Note : The work to be executed by auth agency

Material & Labour for Gola / Coving by Providing and applying at the junction of base slab and vertical offsets with Cement Mortar 1:4 and admixed with Conplast X421IC or equivalent at dosage of 125ml per bag of Cement as per manufacture's instructions at a size of 75 mm x 75 mm all as specified, as per manufacturers instructions and directed by Engineer-In Charge.(water proofing admixture measured and paid seperately ) Note : The work to be executed by auth agency as

Material & Labour for treating the area around Inlet/outlet pipes by Cleaning the surface with wire brushing followed pressure cleaning using water jet to remove any laitance or loose flaky particles. Applying a coat of styrene- butadiene based polymer coating using Nitobond SBR or equivalent to enhance adhesion. Packing the gap using Fibre reinforced shrinkage compensated, polymer modified structural grade repair mortar ; Renderoc S2 or equivalent ,upto the finished wall surface whilst the Nitobond SBR or equivalent is in tacky state. Typical Properties Compressive strength at 28day as per BS 1881 45N/mm2, completely as per the manufacturer’s instruction all as specified and directed by Engr-in-Charge Note : The work to be executed by auth agency

Neelkanth Engineers

shree balaji builders

Supreet Associates