Repair and maintenance of leakage in staircase of RRU building at ACTREC

Amount

Dismantling old external anad internal plaster or skirting raking out joints and cleaning the surface for plaster including disposal disposal of unserviceable material outside ACTREC campus as per direction of Engineer-in-charge.

15 mm cement plaster of mix for wall with ready mix plaster wherever required as per the instructions of Engineer incharge

Providing and Applying and Levelling the existing surface with Birla White Cement based / Coloured waterproof Putty of average thickness of 2 mm of approved thickness, brand and manufacture, over the plastered wall surface to prepare the surface even and smooth ready for painting purpose etc complete ( Rate inclusive of Scaffolding Material, Labour Charges) Etc. Only to be applied at distressed areas and newly plastered surface as per the instruction of Engineer incharge.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content along with crack filling if required.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspectionof work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment shall be made once irrespective of duration of scaffolding.Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Wall water proofing: Cleaning the surface properly with water, removing the dust and loose droppings filling all the visible cracks with Crackseal or equivalent after opening up all the visible cracks in the plaster, in V- groove fashion using electric cutter machine. i.e Fill up these cracks with cement paste and polymer in ration of 1:1 And applying one coat primer of Damp shield elasto and two coat coating of textured Elastomeric paint of approved make / weathercoat Long life 10 or equivalent quality and colour including scrapping the surface to remove all loosely adhered particles . Finish the same to ensure crack matched plaster level all complete as per the instruction of engineer incharge. Warranty of 3 yrs for the completed works to be provided so that no seepage will be observed.

WATER PROOF PLASER: Providing and laying water proof cement plaster 20mm in two coat backing coat of 12mm thick in CM 1:3 and second coat 8mm thick in CM 1:3 finish including supplying and adding water proofing compound weight of cement at all floor levels for repair to water retaining structures, depressions in bath/WCS etc. in quantities as required at site including scaffolding, curing layer will be allowed to air cure for 4hours followed with water curing for 48 hours, hacking of concrete surface etc. complete all as directed by engineer-incharge (to maintain bone dry condition underneath for 10 yrs) The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipe sand masonry with polymer mixed slurry. (Rates also includes disposing/taking away the debris outside the premises of ACTREC and disposing as per the statutory guidelines)

Providing & Applying polymer modified, flexible cementatious negative side waterproofing coating with elastic waterproofing polymers on interior wall plaster surface in three coats @14.35 kg /10 sqm. one coat of self priming of cementatious waterproofing polymer(dilution with water in the ratio of 1:1) and two coats of cementatious waterproofing polymer (dilution with water in the ratio of 3:1 ) after scrapping and properly cleaning the surface to remove pre-existing paint film & loose particles till plaster is visible, complete in all respect as per the direction of Engineer-in-Charge.

Silicon sealant: Application of black heavy duty silicon sealant externally as per the specification and instruction of Engineer incharge.

CORRUGATEDG.I./PPGI SHEET:Providing & fixing corrugated sheet/GI /PPGI sheet closefitted serrated adjustable corrugated /semicorrugatedsheets including overlaps, ridges if requiredincludingsupplying and fixing necessary J or L hooks bolts, nutsas washer and bitumen washers with scaffolding,cement watta etc (1.00 mm thick with zinc coating not less than 275 gm/m²).

CHICKEN MESH: Providing and fixing chicken mesh of 19 gauge including necessary nails etc. complete.MS / PVC

INJECTION GROUTING: Cement grouting and filling the open/dislocated joints of existing cement tiles/Kotah stone white glazed tiles etc. in flooring dado/skirting at all floors and locations including opening the joints filling it with matching cement or cement mortar 1:1 of matching cement colour curing hand polishing to remove any undulations and surface irregularities etc. complete in quantities as required at site all as directed by the Engineer-in-Charge (testing for water lightness).

Window repair work :Providing and fixing or replacing fittings such as fixture/Z section hinges, handles and other required materials by removing the old fittings at various locations including cost of all other materials labour and necessary allied works and handing over the old material to the Dept. all complete as specified and directed by engineer in charge.

Bombay Construction (BID ID -3180902)