05/NIT/BSNL/CD/HBL/2025-26

Amount

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)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge..

In cement mortar

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

All kinds of soil

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 Cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources).

1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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

Suspended floors, roofs, landings, balconies and access platform

Edges of slabs and breaks in floors and walls

Under 20 cm wide

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 of grade Fe-500D or more.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:4 (1 cement : 4 coarse sand)

Half brick masonry with common burnt clay F.P.S. (non modular) bricksof class designation 7.5 in foundations and plinth in :

Cement mortar 1:4 (1 cement : 4 coarse sand)

40 mm thick fine dressed stone flooring over 20 mm (average) thick base of cement mortar 1:5 ( 1cement : 5 coarse sand) with joints finished flush.

Red sand stone

15 mm cement plaster on rough side of single or half brick wall finished with a floating coat of neat cement of mix :

1:3 (1 cement: 3 fine sand)

6 mm cement plaster of mix :

1:3 (1 cement: 3 fine sand)

Neat cement punning

Cleaning and de-silting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

Supplying and stacking at site

Moorum.

Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps :

100 mm diameter

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design :

Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) :

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :

For pipes 100 to 250 mm diameter

Constructing brick masonry chamber for underground C.I. inspection chamber and bends with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover with frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg), R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 fine sand : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand), finished smooth with a floating coat of neat cement on walls and bed concrete etc. complete as per standard design:

Inside dimensions 455x610 mm and 45 cm deep for single pipe line :

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Making soak pit 2.5 m diameter 3.0 metre deep with 45 x 45 cm dry brick honey comb shaft with bricks and S.W. drain pipe 100 mm diameter, 1.8 m long complete as per standard design.

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Providing fixing and jointing Underground drainage pipe of 'ASHIRWAD' make ( FOAMCORE PVC-U pipes SN4 SDR-41) with fiftings and jointed with pushfit system comprising of 2 layer rubber ring as a seal including with testing of joints etc complete as per direction of Engineer-in-charge.

a) 110 mm diameter

Providing and fixing Rigid PVC soil waste and vent (SWR) pipes ( for working pressure 4kg/ sqcm) confirming to IS:14735-99 including jointing with "T" shaped seal/ rubber ring confirming to IS:5382 and with solvent cement or with rubber ring lubricant as the case may be ( NOTE: 1) Concealed pipe joints to be jointed with rubber ring and solvent cement II) Exposed pipe joints to be jointed with rubber ring and rubber lubricant)

110 mm Dia ( outer dia),pipes.

Providing and fixing Rigid PVC (SWR)moulded fitings /accessories( for working pressure 4kg/ sqcm) ( and of wall thickness same as main pipe) confirming to IS:4985 including jointing with "T" shaped seal/ rubber ring confirming to IS:5382 and with solvent cement or with rubber ring lubricant as the case may be ( 1) 3mm thick insertion rubber washer to be provided in access door fittings etc.)

Plain bend of required degree without access door, 110 mm dia.

Plain "T" without access door,110 mm dia.

Cleaning of chocked sewer line consisting of SW pipes (100 mm diameter) ( Approximate length of 56 mts) including Manholes in between using chain and cable ,making good the walls and floors of manholes wherever required, providing single polished Cuddapah stone slabs- (04 nos of size 0.50 m x 0.75m and thickness not less than 35mm) on these manhole openings, disposal of debris/sludge to the dumping yard and flushing the cleared line with water,including the cost of all the men , material and any miscellaneous items/tools required for carrying out this work, all as per the direction of Engineer in Charge. Note: Sufficient care is to be exercised to avoid any damage to the existing SW pipes.