Repairing Maintenance of Chinsurah (A-M) Sub-Division office attached Garage and one office room

Earthwork in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite and sand stone), including removing, spreading or stacking the spoils, within a lead of 75 m as directed.The item includes necessary trimming the sides of trenches, levelling,dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1500 mm.

Filling in foundation or plinth by fine sand in layers not exceeding 15 cm. As directed and consolidating the same by through saturation with water and ramming complete, including the cost of supply of sand.

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand.

Ordinary Cement concrete (1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering, reinforcement, if any, in ground floor as per relevant IS code. a) Pakur Variety (Stack yard to site distance= 40 KM)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar (b) 20 mm thick plaster.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:4 cement mortar (c) 15 mm thick plaster.

Neat cement punning about 1.5 mm. thick in wall dado, floor, drain, door and window sill etc. complete.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary. a) On timber or plastered surface : With other than hi-gloss of approved quality.Two coats (with any shade except white)

M.S. structural works in roof trusses with tubular sectionsconforming to IS: 806-1968 & IS: 1161- 1998 cnnected to one another with bracket, gusset cleats as per design, direction of Engineer-in-charge complete including cutting to requisite size, fabrication with necessary metal arc welding conforming to IS: 816- 1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour reqired for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural tubular memebrs as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a height of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. ii) For trusses spanning above 12.00 m and up to 20 .00 m

Galvanised corrugated iron sheet work (excluding the supporting frame work) fitted and fixed with 10 mm. dia J or L hook-bolts, limpet and bitumen washers and putty complete with 150 mm. end lap and one corrugation minimum side lap. (Payment to be made on area of finished work)(GCI sheet to be supplied by contractor) (i) In Roof:- a) With 0.60 mm thick sheet