Construction of Outdoor RCC water tank

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 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 kind of soil.

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 upto 1.5 m. All kind of soil

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 uoto plinth level: 1:4:8 ( 1 Cement: 4 fine sand : 8 graded stone aggregate 40 mm nominal size)

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto floor five level. Mild steel and Medium\Tensile steel bars.

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: 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

Centering shuttering including struttings, propping etc. and removal of form work for: Foundations, footings, bases for columns etc. for mass concrete with timber plank

Second class brick work in foundation and plinth including cost of all materials as required complete:- In cement mortar 1:4 ( 1 cement : 4 fine sand ).

12 mm cement plaster of mix: In cement mortar 1 : 3 ( 1 cement : 3 fine sand )

Neat cement punning.

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality : 80 mm diameter pipe.

Providing and filling sand of grading zone IV or fine grade alround the G.I. pipes in external work. 80 mm diameter pipe

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work

(a) 80 mm dia. nominal bore

(b) 40 mm dia. nominal bore

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

(a) 25 to 40 mm nominal bore

(b) 50 to 80 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

(a) 40 mm nominal bore

(b) 80 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end): 40 mm nominal bore

(a) 40 mm nominal bore

(b) 80 mm nominal bore

Constructing masonry Chamber 30x30x50 cm, inside, in brick work in cement mortar 1:4 (1 cement :4fine sand) for stop cock, with C. I. surface box100x100 x75 mm (inside) with hinged cover fixedin cement concrete slab 1:2:4 mix (1 cement :2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) necessary excavation foundationconcrete 1:5:10 ( 1 cement :5fine sand:10 gradedstone aggregate 40mm nominal size ) and insideplastering with cement mortar 1:3 (1 cement :3 coarse sand) 12mm thick finished with a floating coat ofneat cement complete as per standard design : With Second Class bricks

PALASH CHANDRA SAHA

GOURANGA SAHA