Running and Mtc. NRDWP/JJM/RWS Schemes under Sepahijala District. /SH 0.55 MGD water treatment plant at Srimantapur /Repairing, maintanance of different components and other allied works in Kathalia RD Block under the jurisdiction

Repairing Works

Earth work in excavation by mechanical means(Hydrolic axcavator)/ 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 upto 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 By manual means

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering -All work upto plinth level: 1:2:4 ( 1 Cement: 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

1:3:6 ( 1 Cement: 3 fine sand : 6 graded stone aggregate 20 mm nominal size)

First class brick work in foundation and plinth including cost of all materials as required complete:

i) In cement mortar 1:4 ( 1 cement : 4 fine sand )

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto floor five level

i) Thermo-Mechanically Treated bars/ Cold twisted deformed steel bar

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

i). 1:1.5:3 ( 1 Cement: 1.5 fine sand : 3 graded well burnt brick aggregate 20 mm nominal size

12 mm cement plaster in single layer including cost of materials required and finishing even and smooth and curing complete.

a).In cement mortar 1 : 4 ( 1 cement : 4 fine sand )

Neat cement punning

Providing and fixing chequered terrazo tiles 22 mm thick with graded marble chips of size upto 6 mm, laid on floors, footpath & courtyard on 20 mm thick bed of cement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with neat cement slurry mixed with pigment to match the shade of tiles including rubbing and polishing etc. all complete as per direction of Engineer-in-charge.

Dark shade pigment using ordinary cement

Providing and laying 1st class quality vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS: 15622 - 2017, of approved make, in all colours and shades, laid over 20mm thick cement mortar 1:4 (1 cement : 4 fine sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc. all complete as per direction of the Engineer-in-charge..

Double charged Stainfree vitrified tiles (Glossy) Size of tile 600 mm x 600 mm

Providing and fixing 1st class quality ceramic glazed wall tiles conforming to IS : 15622 - 2017 (thickness to be specified by the manufacturer) of approved make in all colours, shades of any size as approved by Engineer-incharge in skirting, risers of steps and dados, laid over 12 mm thick bed of cement mortar 1 : 3 (1 cement : 3 fine sand) jointed with ordinary cement slurry including pointing with white cement mixed with pigment of matching shade etc. all complete as per direction of the Engineer in-charge.

450 mm X 300 mm in all shades and design

Providing 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 as required. For angles

Applying priming coat [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer]:Two or more coats on new work.

Distempering with 1st quality washable acrylic distemper of approved brand and manufacture and of required shade on old work ( one or more coats ), to give an even shade as required complete as per direction of the Engineer in charge.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, & with cleats with bolts & nuts, rivets, locking arrangement, handles, hooks & eyes, pinlets including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required:- Using M.S. angels 40x40x6 mm for diagonal braces

Finishing walls with acrylic smooth exterior paint of required shade of approved brand and manufacture on old work ( one or more coats ) including preparation of surface as required complete as per direction of the Engineer in charge.