NIT16/BSNL/CD-MMN/CHN/2024-25

Amount

Taking out the Plumbing pipe line , earth strip etc.by removing its clamp to facilitate terrace cleaning and other work and refixing the same after completion of terrace treatment work with required clamps all complete as directed by the Engineer-in-charge.

Cleaning Terrace floor slab including removal off bitumen felt sheet and its residue, loose bitumen paint, dirt etc. using BLOW TORCH or SAND MACHINE and washing the slab using high speed water jet to remove off dirt all complete as directed by the E-in-C.

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

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Taking out the hidden , broken rainwater pipes and providing and laying new PVC pipes 6kg/sqcm for a length of 80cm including bend of approved make and jointing with old vertical pipe and treat the surface area by applying CICO TAPE CRETE AS PER manufacturer's specification and finishing the floor area with required chemically modified cement concrete mix using SBR chemical all complete as directed by the E-in-C

All visible cracks shall be removed by opening U groove and filled with repair mortar (CICO CRACK SEAL or equivalent approved) The CICO SBR primer or equivalent shall be applied as slurry coats for best bonding and smooth finish and acrylic polymer ( CICO TAPECRETE P151) or equivalent mixed with cement in 1:2 proportion . A non-oven polyester geo textile fabric system of 50 GSM as a separation layer shall be laid over it. Again a coat of cement slurry mixed with CICO TAPECRETE P151) or equivalent mixed with cement in 1:2 proportion shall be applied over it to cover the geo textile. After 2 days of air curing, Finally 2 coats of water thinnable CICO AQUAPUR or equivalent shall be applied and finished smoothly. The water proofing work shall be tested for any leakage by allowing ponding of water for 3 days. The rate is inclusive of all materials and labour etc. involved in the above work, including protecting the applied surface from direct sunlight by suitable means during application, all complete as per direction of Engineer-in-Charge.

Providing and fixing MS clamp for PVC rain water pipes including necessary screws all complete as directed by the E-in-C.

110 mm diameter

Brick work with common burnt clay F.P.S. bricks of class designation 5.0 in superstructure above plinth level up to floor V level in all shapes and sizes in :

Cement mortar 1:6 (1 cement : 6 M sand)

Centering and shuttering including strutting, propping etc. and removal of form for :

Suspended floors, roofs, landings, balconies and access platform.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level

Thermo-Mechanically Treated bars

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

12 mm cement plaster of mix:

1:6 (1 cement : 6 M sand)

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall

40 mm nominal outer dia. Pipes.

Cleaning On ground based / Over head tank (HDPE) two times a year (each time shall be paid separately) as directed by the Engineer in charge, which includes following operations by: (a) The water shall be drained out without causing inconvenience to the occupants. (b) The walls,floor and ceiling of the tank including cover shall be rubbed with brushes to clear any sediment the fungus, weeds, dust and green mass and the same shall be disposed to the nearest municipal dump. (c) The walls, floor and ceiling including cover shall be cleaned with water mixed with bleaching powder and finally cleaned with plenty of clean water.

Plastic tanks of sizes 5000 litres capacity

Providing and fixing PVC tank cover to the PVC tanks of reqd litres capacity including making locking arrangements. The cover shall be firmly fixed on the tank with bolts and nuts on one side and locking arrangement on other side of the cover all as directed by the Engineer in Charge.

New cover with locking arrangements for upto 2000 litres capacity

Providng, laying and jointing with solvent cement / suitable adhesive, PVC rainwater pipes ( 4kg/sqcm grade)of approved quality and manufacture.

110mm dia pipes

Providng, laying and jointing with solvent cement / suitable adhesive, PVC rainwater pipes fittings ( 4kg/sqcm grade)of approved quality and manufacture.

Single Y

Making connection of G.I. /CPVC distribution branch with G.I./CPVC main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore