Civil Maintenance and Renovation work at PDIL Bhawan Noida

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

20 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)

Extra for providing and mixing water proofing material in cement per bag of plaster work in proportion recommended by the manufacturers. 50kg cement used in the mix

Providing self levelling Screed using proportion 1:2:2 cement: sand : 8 mm down aggregates ( by weight) with addition of suitable free flow and performance improving additives namely micro silica, shrinkage compensating admixtures, polymers, high range super plasticizers all in premixed powder form pack in correct proportion as % of cement weight. W/C ratio not to exceed 0.4. The mixture should be done in half bag mixers by re proportioning and laid on prepared surface with bonding agent applied. The item to including providing all materials mixing, laying, tamping and levelling and curing for next 4 days with sprinkling of water etc complete.

Extra for providing and mixing water proofing material in cement per bag of concrete work in proportion recommended by the manufacturers. 50kg cement used in the mix

Providing and laying four courses water proofing treatment with bitumen felt over roofs consisting of first and third courses of blown bitumen 85/25 or 90/15 conforming to IS : 702 applied hot @ 1.45 Kg per square metre of area for each course, second course of roofing felt type 3 grade-I (hessian based self finished bitumen felt) and fourth and final course of stone grit 6 mm and down size or pea sized gravel spread at 6 cubic decimeter per square metre, including preparation of surface but excluding grading complete with : Bitumen felt (hessian base) type 3 grade I conforming to IS : 1322

Providing & fixing SS Nahani Traps. The work shall include fixing the trap in P.C.C. 1:2:4, and shall be provided with Chromium plated brass hinged type heavy grating on the top. The deep seal traps shall have generally 50mm water seal, as required complete in all respect.

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.