Spl Rep and rehabilitation of OHT at Sewar Fort under GE Bharatpur

Amount

Dismantling/ taking down old exiting unserviceable cement plaster, loose/ unsound weaken cement concrete of any description and in any position from existing external/ internal surfaces of RCC OHT/ SUMP/ WALL/ ROOF/ BEAMS COLUMNS/RCC, avg. Depth 25 mm (at any staging ) with power driven pneumetric chisel and disposal of unserviceble material i e debris and rubbish outside MD land at a placeas specified by local bodies incl. cutting of all edges , making square shoulders of the cavities , roughening the smooth surfaces, srapping out, removing corrusion , all loose scale/ rust etc. from the visible reinfocement by applying rust remover maxcure RR of Thermax ltd or equivalent of Chemco system/ webac chemicals and cleaning the steel reinforcement properly and then appling single componenet cementitious corrosion inhibiting primer for steel reinforcement mucis PROTEZIONE FERRO MONO of thermax chemicals ltd or equivalent of chemco system /webac chemical on visible reinforcement surfaces to form a conti wt. of cement complete all as specified and directed.

Dewatering of existing water tank cleaning the inside surfaces of the tank by scraping down walls & bottom surface using steel wire brushes to remove all disputaion/ fungus other micro organisms etc using light hammer & wire brushes taking out and removing sedimerial loose dirt/mud sludge vegetation and other foreign meterial completely from the tank disposal of all the waste/spoil to out of MD land at a place as specified by local bodies and washing repeatedly the inside surfaces of tank with water and washing with rebukes solution and clean water thorouthly all as specified and directed.

M&L for providing and filling epoxy putty into RCC crack after opening up RCC cracks in V-groove manner approximate 10mm wide & 10mm deep using mechanical cutter properly cleaning the same to remove losse dust dirt etc and filling the same using Nitocote VF three component the solvent free thixotrpoc 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 C, Drying time 8 hrs recoatable time 24 hrs and finishing in line and level with existing concrete surface etc. complete as directed by Engr-in- Charge. Make : Thermax/ webac chemicals/chemco system as approved by the GE

M&L for providing and fixing welded MS wire mesh weighing not less than 1.5 kg/sqm and applying - Mucis protezioz ferro mono primer (single component cementitous corrosion inhibiting primer) of make Thermax Ltd or equivalent of webac chemicals /chemco system on exposed steel reinforcement and wire mesh having Mixed density of 2.01 to 2.05 Adhesive bond strength - 1N/mm2 touch drying time of 10-15 minutes at 35 degree celcius and recoable time 30 minutes and applying 25 mm thick cement mortal with guniting machine/shotgun pressure not less than 5kg per sqr in the ratio of 1:4 mixed with liquied water proofing admixture (warep of make Thermax Ltd or equivalent of webac chemical/chemco system 100/L confirms to IS 2645-2003 having specific gravity 1.1 to 1.2 gm/cc chloride content : Nil as per IS 2645-2003 & TM bond ACB having specific gravity of 1.02) of the Thermax or equivalent of webac chemicas/chemco system in ratio as per recmmendation of manufacturer total chemical not less than 5% by weigth of cement complete all as specified and directed by Engr-in -charge.

M&L for rendering 20mm thick in cement mortal (1:4) using Thermax BS 5F (single component thixopropic fibre reinforced bplymer modified repair moter) of Thermax /webac chemicals /shemco systems of achieve compressive strength of 15N/mm2 in 1 Day 25 N/mm2 in 3 Days adhesion bond strength of > 2N/mm2 finishing the suface even and smooth all as specified and directed.

M&L for repair to cracks and damaged existing surfaces of RCC OHT/ sump/column /beam etc (Approx height 4 to 23M from ground level) by structural strengthening using epoxy injecting grounting with MAXGROUT E 10 of Thermax Ltd or equivalent of chemco system/wabac chemicals as approved by the GE complete all as specified and as directed and as under. I) Fixing of Gl nozzles in zig-zag fashion not more than 50cm c/c on RCC surfaces or all directions as required after drilling holes in concrete fixing Gl nozzles with fast setting mortar and covering with renderoc plug. The size of holes shall be 20mm dia and 75 mm in depth. II) Epoxy injection grouting shall be carried out by using standard pressure grouting pump after mixing design and hardner of the extent till refuse to accept further grout complete. iii)Cutting and flushing of nozzles with surface after completing grouting and sealing the nozzles with cement mortar (1:1) and preparing the surface to match the existing surfaces all as deircted.

M&l for providing and applying T-Guard ANTC of make Thermax or equibalent of wabac chemicals /chemco system as approved by the GE having high performance water based aliphatic protective coating (shade as approved by GE ) to exposed concrete or masonry surfaces after proper surface preparation cleaning of dust dirt etc system should be application of T-Guard of Thermax make of equivalent of webac chemicals /chemco system-water coverage @ 8-10 sqm/liter/coat on prepared surface and application of 2 coats of T-Guard AC of Thermax make or equivalent of webac chemicals/ chemco system at 260-280 microns DFT coverage @ 5 Sqm/liter/coat@ 200 microns WFT using suitable brush or roller.

M&L for prepration of new painted steel surface and applying two coats of synthetic enamel paint over a coat of redoxide primer all as specified and derected NOTE for item No 1 to 6,10,11,15 :- (i) The treatment shall be carried by the authorized applicator of treatment provider company as approved by the GE at any staging (ii) quoted rate shall be deemed to be inclusive of materials all labours tools and polants scaffolding and working upto height 25 mtr etc complete as per specification and directed by GE (iii) adoption of necessary safety arrangement like safety belts ropes helments netting etc which are required for safety of worker working at height exceeding 3 mtr shall be mandatory and deemed to be inclusive of quoted rates. Note, (I) All labour materials tools and plants equipments scaffolding ladders transport etc required for the work shall be arranged by the contractor without any ecxtra cost to the department the cost of these items is deemed to be included in the quoted rates (II) The treatement shall be carried out by the authorised applicator of treatement provider compay by the GE any staging (III) Quoted rate shallbe deemed inclusive of maerial and directed by GE (IV) Adoption of necessary safety arrangment like safely belt ropes helmet netting etc which are reqd for safety of worker.

Cutting holes exc 150 sqcm but n.exc 400 sq cm into or through brick walls in cement mortar or cement lime mortar ,RCC and stone walls built in lime mortar or walls of lime concrete and making good in cement mortar 1:3 or cement concrete 1:2:4 type B-1 as required

S & F Fe 410-W (Gde E-25)) quality B rolled mild steel in Joist channel, angle or tee sections, fixed independently, without connecting plates etc (cut to ordinary lengths i.e, within 20mm of the length indicated) (IS-808 (Part-III) 1989 medium channels MC-100 mm) all as specified and as directed

Demolition of PCC in ground floors and pavings not exc 15cm thickness ( below or above ground level ) all as specified and as directed

M&L for PCC 1:2:4 type B1 using 20mm graded stone aggregate as in flooring 100 mm thick finished even and smooth with using extra cement all as specified and as directed

S&F mild steel framed work such as grills, gratings, etc., with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, door chowkats of angle or other section and similar works complete of Gde Fe-290 Gde E-165 including welding etc.

Taking down chowkats or frames exc. 1.5 sqm but not exc. 4 sqm each without taking off shutters from frames all as specified and as directed

Taking down chowkats or frames n. exc 1.5 sqm each with shutters (without taking off shutters from the frame) all as specified and as directed.

S&F steel ventilator with top hung shutter including hinges,steel peg stay, handle complete all as specified and as directed.

M&L for plain cement concrete type C2 1:3:6 ( 40 mm graded stone aggregate ) as in foundation, filling and mass concrete all as specified and as directed.

Rama constructions

Neeraj construction company