8658/GWL/E8 REPAIR AND MAINTENANCE OF PUMP HOUSE BLDG AND OTHER CONNECTED WKS AT DIFFERENT LOCATION AT MORAR CANTT GWALIOR

Amount

Dewatering of existing UG water tank cleaning the inside surfaces of the tank by scraping down walls & bottom surface using steel wire brushes to remove all disputation/ Fungus other micro organisms etc using light hammer & wire brushes taking out and removing sediment loose dirt/mud sludge vegetation and other foreign material completely from the tank disposal of all waste/spoil to a distance not exceeding 50mtr and washing repeatedly the insided surfaces of tank with water and rebukes solutiion and clean water thoroughly and preparation of the surface to receive new plaster complete all as specified and directed by Engineer in charge. Note-this item shall be undertaken by the authorized rep. of manufacturer only.

M & L for dismantling down decrepit existing unserviceable cement plaster loose/unsound debilitate cement concrete of any description and in any position from existing external/Internal surfaces of RCC/slab/beam/columns/RCC fascias etc. average profundity 40 mm (Max. hight up to 25 mtr. from existing ground level) with power driven of pneumatic chisel and disposal of unserviceable material ie Debris and Rubbish outside MOD land at placec specified by local bodies upto 50 metres of lead including cutting of all edges, making square shoulders of the cavities roughening the smooth surfaces, abrade out/expel corrosion all loose/scale/rust etc from the observed reinforcement by applying rust remover and cleaning the steel reinforcement properly, and after that applying Protezion Ferro single component cementations on observed reinforcement surfaces to create a continuous film not less than 1 mm thick and preparing the surface to get epoxy grout mortar including providing necessary proportions, bracing and runners to relieve the members from the load coming on working platform as required and as per design and pattern including preparing the surface to coordinate with the existing surface, using alkaline based rust remover for corroded steel structure and concrete remover cleaning etching Agent Chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd. of cementitious corrosion inhibiting using primer mucis protezione and Anti corrosive primer exposed steel and concrete surface Chemical Make of Thermax/Torchtar Ltd./Ooms Polymer Ltd. Complete all as specified and directed by Engineer- in -charge. Note: - This item shall be undertaken by the authorized rep of manufacturer.

M & L for Timber form work to sides and soffits of lintels, beams columns, shelves, Chajjas including overhangs etc for fair finished flat surface, complete all as specified and directed by Engineer-in-charge

M&L for drilling hole in RCC using drilling machine up to a profundity of 25 mm and 18 mm dia, expel dust, etc by vacuum cleaner and blowers, providing and fixing of heavy grade GI pipe nipple 15 mm dia, 100 mm long, @ 1.0 Mtr. C/C in both direction and Providing of cement slurry blended with using approved integral water proofing liquid admixture for concrete mortar as per the direction of Engr-in-Charge and approved integral water proofing compound for cement based concrete and mortar Chemical Confirms to IS 2645-2003. having specific gravity 1.1-1.2 gms/cc, chloride content Nil as per IS 2645-2003 & using TM bond AR or Acrylic polymer based bonding agent and acrylic emulsion cement modifier and water based concrete bonding agent chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd. having specific gravity of 1.02 and Max grout 100 cementittious based plasticised expanding power grout admixture, complying with BS-8110, Part1-1985, Section 89,4,6, chloride content Nil as per BS:5075 dosage @ 225gms/50kg of cement bag through nipple and closing ends nipple epoxy putty/silica jelly after injecting the chemicals mixed with cement slurry complete all as specified and directed by engineer in charge. (Make : Thermax/Webmac chemical/chemco as approved by GE)Note:- This item shall be undertaken by the authorized rep of manufacture.

M & L for fixing welded MS wire mesh weighing not less than 1.5 Kg/Sqmt and applying using Thermax musis protezion ferro mono primer and Anticorrosive primer uncovered steel and concrete surface chemical (Single component, cementitious corrosion inhibiting primer) of make Thermax/Torchtar Ltd./Ooms Polymer Ltd.on uncovered steel reinforcement and wire mesh having mixed density of 2.01.02.05, adhesive on bond strength- 1 N/mm2 touch drying time of 10-15 minutes at min 35 degree centigrade and recoatable time 30min and applying 25 mm thick cement mortar with guniiting machine /shotgun pressure not less than 5Kg/Sqmin the ratio of 1:4 mixed with integral water proofing liquid admixture for concrete mortar and integral water proofing compound for cement based concrete and mortar chemical make of Thermax/Torchtar Ltd Ooms Polymer Ltd./Warep 100/L 1.1-1.2 gm/cc, chloride content: nil as per IS 2645-2003 & TM bond AR Std using acrylic polymer base bonding agent and acrylic emulsion modifier and water based concrete bonding agent chemical STD having specific gravity of 1.02) of Thermax/Torchtar Ltd Ooms Polymer Ltd. in ratio as per recommendation of manufacture total chemical not less than 8 % by weight and providing rendering 25 mm layer of mortar single component polymer modifier using 5f single component thixopropic fibre reinforced polymer modified repair mortar 1:1:4 make of Thermax/Torchtar Ltd./Ooms Polymer Ltd./ to achieve compressive strength of 15 N/mm in 1 Day, 25 N/mm in 3 days adhesion bond strength of > 2 N/mm providing Rendering 10 mm thick in cement mortar and all as specified and directed by Engineer-in- charge. Note: - This item shall be undertaken by the authorized representative of manufacture.

M & L for providing and filling epoxy putty into RCC crack after opening up RCC cracks in V-groove manner approximate 10 mm wide & 10 mm deep using mechanical cutter, properly cleaning the same to remove loose dust. Dirt etc. and filling the same using Nitocote VF-three component solvent free, tixotropic Epoxy resin based putty and resin jointing and repair compound Chemical the solvent free, thixotropic Epoxy resin based putty having 100% solid contents mixed density of 1.6 g/cc, compressive strength - 50 N/mm2, pot life of 40 minutes at 27 degree centigrate, after 8 hours drying it has to be recoated within 24 hours and finishing in line and level with existing concrete surface etc. complete all as specified and directed by Engineer in Charge. Make : Thermax/Torchtar Ltd./Ooms Polymer Ltd./Webac Chemicals/Chemco as approved by the GE Note:- This item shall be undertaken by the authorized rep of manufacture.

M&L for providing and applying two coat of using water based Aliphatic Protective anti carbonation protective and decorative coating for concrete and Masonary and Acrylic emulsion Sealer Coat Cum Primer chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd. as approved, Having High performance Water Based aliphatic protective coating to uncovered concrete on masonary surface after proper surface Preparation, cleaning of dust, dirt etc. System should be application of Thermax/Torchtar Ltd Ooms Polymer Ltd. / – water based acrylic polymer primer cum sealer coating on prepared surface and application of 2 coats of using water based Aliphatic Protective anti carbonation protective and decorative coating for concrete and Masonary and interior exterior water base primer chemical make of Thermax/Torchtar Ltd./Ooms Polymer Ltd. at 260-280 microns DFT @ 200 microns WFT using suitable brush or roller complete all as specified and directed by Engineer-in- Charge. Note:- This item shall be undertaken by the authorized rep of Manufacturer.

M&L for drilling hole chemical anchoring of reinforcement on existing columns/chajjas/Top beams/Bottom beams/Circular Column beams/Braces with Hiti HIT-HY 70 or equivalent in Thermax/Torchtar Ltd./ooms Polymer Ltd./ STP Ltd, minimum hole depth 100 mm, steel bar 12 mm dia and drill bit dia 14 mm, complete all as specified and directed by Engineer-in-charge. Make: HT-V-R M12X150 OF Hilti using Polyster Resin based Anchoring material for Horizontal vertical & large Annular Applications and Anchosin P Fix.chemical of Thermax/Torchtar Ltd./Ooms Polymer Ltd. Complete all as specified and directed by Engineer-in-charge. Note:- This item shall be undertaken by the authorized rep of manufacturer

M&L for MS TMT bars 12 mm dia and over as in reinforcement cut to length. Bent to shape required including cranking bending spirally for hooping for columns, hooking ends & binding with and including MS annealed wire not less than 0.9 mm dia complete all as specified and directed by Engineer in Charge.

External Internal plastering of a hollow Bottom, septum Surface using single component thixopropic fibre reinforced polymer modified repair mortar 5f of Thermax/Torchtar Ltd./Ooms Polymer Ltd. Fiber reinforced cementitious and shrinkage controlled polymer modified vertical and over head cementitious Repair mortar system. Chemical the product shall be a single component thixotropic fiber reinforced polymer modified repair mortar needing only addition of water at site which can be applied by trowel, It is reinforced with specially designed bean shaped, alkali resistant synthetic fibers for exceptional resistance to cracking. It is recommended for repair situations requiring application of mortar up to 10-20 mm thickness 1:1:4 in one layer. The product shall achieve a compressive strength of 11 MPa in 1 day & 30 MPa in 28 days and a minimum flexural strength of 6 MPa@7 days it shall have a tensile strength of and shall have a minimum bond strength of 2 MPa. Chemical manufactured by Thermax/Torchtar Ltd./Ooms Polymer Ltd. the exposed concrete surfaces shall be protected by a system comprising of single part water based acrylic emulsion sealer cum primer coat using Styrene butadine rubber based polymer bonding agent cum cement mortar SBR and a single part aliphatic acrylate, water based top coat using. INC, It shall be breathable, resistant to carbonation, chloride, sulphates, water vapour and other liquid driven mechanisms. It shall be UV resistant and not allow water to permeate. It shall have good adhesion and compatibility with concrete. The product to be used shall be SBR Prime INC System comprising of primer & top coat manufactured by Thermax/Torchtar Ltd./Ooms Polymer Ltd. complete all as specified and directed by Engineer-in-Charge. Note:- This item shall be undertaken by the authorized representative of Manufacturer

M & L for curing of the surface using max cc75 Waxed base concrete curing compound and water based concrete curing compound. Chemical curing efficiency: with the internationally recognized ASTM C309-90 standards including all tools and taketls complete all as specified and directed by Engineer-in-charge. (A) Adoption of necessary safety arrangement like safety belts. Ropes. Helmets, netting etc. which are required for safety of working at height etc. which are required for safety of working at height exceeding 3 to 25 mtr height shall be mandatory and deemed to be inclusive on quoted rates

Taking down the old serviceable and rusted suporting structure panel from 15 Mtr. Height of OHT of any type in any position and fixing suitable design and S&F of new supporting structure on the roof of Over Head Tank and fixing new staircase made of mild steel Fe 290 Gde E-165 including welding/riveting etc completed all as specified and directed by the Engineer-in-Charge

M & L for providing and applying Rheoplastic non shrink corrosion resistant, High strengthcompound bs66 on external or internal surface of RCC roof/floors/slab/ balconies/beam/ columns/facias/any brick or stone inner or outer wall surface etc, having compressive strength as Bs 4551-80 thickness of 40-50mm with 1:4 cement mortor mixed wtih metallic aggregates bag in the ratio 1:1 and strength (ASTM C 109)-80 Mpa@ 28 days,Tensile strength 2.0N/ mm2 @ 28 days (ASTM C 348)- 4Mpa @ 28 days, Young's modulus -27 KN/sqmm(ASTM D469), Expansion charactristics(ASTM c 827-1987) Unrestrained expansion upto 4% pressure to restrain plastic Expansion -Approx. 0.004 N/spmm make of Thermax/chemco system/webac chemicals/STP, before pouring it is recommended to apply granolithic E-Resin based solvent free concrete bonding agent/EP in accurate proportion with complete homogenesity. make of Thermax/ Chemco system /Webac Chemicals having mix density of 1.45 to 1.5 kg/litre, Compressive strenth(BS 6319 pt.2)-40 Mpa at 7 days, Flextural strength (BS 6319 pt.3)-25 Mpa at 7 days, Tensile strength(BS 6319 pt .7)-15Mpa at 7 days, Bond strength(ASTM C 881)-11 N/sqmm at 7 days, having an over lay time of 03 hrs at 30 C. pouring of micro concrete using suitable arrangement as required using pumping device for uniform flow of micro concrete. The side shuttering can be removed after 3 dyas, and the bottom shuttering after 7 days, ensuring proper bond between the micro concrete and existing concrete substrate etc. complete including all tools and tackles as directed by Engr-in-charge.

Neeraj construction company

m/s vikash Engineers

M/S MUKESH AGARWAL

Sunil Traders

Rama constructions

M/s Raghav Traders