GE/CHM-101/2026-2027 REPAIR/ MAINT TO PLUMBING, SANITARY, PLASTERING OF JCOS/OR MD ACCN AT SECTOR F UNDER AGE B/R-I AT CHANDIMANDIR MIL STN

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing and rubbish of the premisses, complete all as specified and directed.

Demolition of cement concrete unreinforced in ground floors, kota stone, granite flooring, tiles flooring and pavings not exceeding 15cm thickness (below or above ground level) and removal unserviceable materials, debris and rubbish outside MOD land all as specified & directed by Engineer-in-charge.

100mm thick PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) as in sub base, complete all as specified and directed.

25mm thick PCC 1:2:4 type B-0 (using 12.5mm graded crushed stone aggregate) as in sub base. (as levelling coarse). complete all as specified and directed.

Glazed ceramic coloured printed tiles in vertical surfaces of size 300 x 450 x 7mm set and jointed in neat cement slurry over & incl 10mm thick rendering in CM 1:4 for receiving the tiles complete all as specified.

Non skid ceramic coloured tiles 7 to 8 mm thick square/rectangular) area of each tile exc 0.11 sqm but not exceeding 0.18 sqm, in floors etc., set and jointed in neat cement slurry and pointed in white or Coloured cement to match over and including 15 mm thick bedding layer in CM 1:4, complete all as specified and directed.

Non skid, first quality ceramic coloured tiles, 7 to 8 mm thick area or each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tile, over and including 15mm thick rendering in cement mortar 1:4 complete all as specified and directed.

All as per serial item No 7 above but as in skirting/dado over & incluidng 10 mm thick back coat plaster in CM 1:4

Providing cement concrete type E-2, 1:5:10 using 40 mm graded stone aggregate, as in sunken filing, mass concrete etc., complete all as specified and as directed

Providing water proofing treatment to sunken floors as given below :- (a) Making fillet of size 50mm x 50mm at corner of slab and wall with PCC (1:2:4) (b) Cleaning the concrete surface by brushing & watering (c) 15 mm plaster in cement mortar (1:3) mixed with water proofing compound as per manufacturer’s instructions after roughning and cleaning the surface . (d) Curing the sunken portion with water minimum for 48 hours by ponding. (e)Applying 3mm thick APP membranne with bitumen by torch application to the treated sunken surface over a coat of primer on bottom surface of sunken and sides wall and as per manufacturers instructions. (f) Joints/Traps/WC/soil pipes shall be properly sealed with approved sealing compound . (g) Ponding test will be carried out for 72 hours including temparory closing of spout (h) 40mm GI pipe spout of required length shall be provided at bottom / suitable location in sunken portion before doing any other work. this will include cutting and repair of required hole in brick work / RCC Note :- Floor area shall be measured to made payment .