KMC/IX/075/104/2025-2026/ UTTARAN

BUILDING WORKS (A) EARTH WORK,ANTITERMITE TREATMENT 2. Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) 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 1,500 mm.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. ( Ref :PWD (Bldg.)-2017, It. No. 1, Page No.14 & 3rd Corrigenda Addenda dtd-04.06.18,P-1)

Labour for laying single brick flat soling including ramming and dressing bed to proper level and filling joints with powdered earth. ( Ref :PWD (Bldg.)-2017, It. No. 2, Page No. 14)

SANITARY AND DRAINAGE WORKS (B)-(IV)INSPECTION PIT,SEPTIC TANK,SOAK PIT ETC. (a) Original Works 1.Constructing Inspection pit of inside measurement 600mm X 600mm X upto 600mm(depth) with 250 mm thick 1st. class brick work in cement mortar (1:4) on all sides, bottom of the pit consisting of 100 mm thick cement concrete (1:3:6) with stone chips over a layer of jhama brick flat soling, 15 mm thick (1:4) cement plaster to inside walls and out-side walls upto G.L. and 20 mm.thick (1:4) plaster to bottom of the pit, providing necessary invert with cement concrete (1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6 mm thick cement plaster (1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials.i) With Pakur variety. (SAIL/TATA/RINL)

SANITARY AND DRAINAGE WORKS (B)-(IV)INSPECTION PIT,SEPTIC TANK,SOAK PIT ETC. (a) Original Works 1.Constructing Inspection pit of inside measurement 600mm X 600mm X upto 600mm(depth) with 250 mm thick 1st. class brick work in cement mortar (1:4) on all sides, bottom of the pit consisting of 100 mm thick cement concrete (1:3:6) with stone chips over a layer of jhama brick flat soling, 15 mm thick (1:4) cement plaster to inside walls and out-side walls upto G.L. and 20 mm.thick (1:4) plaster to bottom of the pit, providing necessary invert with cement concrete (1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6 mm thick cement plaster (1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials.iii) Extra for each additional depth of 150 mm or part thereof beyond initial 600 mm depth.

(21)Construction of Catch pit 600mmX525mm. (inside measurement) and depth of invert 1000mm. below G.L. with 250mm. thick cement brick work (1:4) over 100mm. thick jhama cement concrete (1:4:8) bed over a layer of brick flat soling including providing 100mm. thick R.C.C. slab with ordinary cement concrete (mix 1:1.5:3) with 1% reinforcement brick-on-edge flooring with 20 mm. thick cement plaster (1:4) finished fine with 1.5 mm. thick neat cement in the inside walls and invert including supplying and fixing R.C.P.C. gully grid (5 m.T.load bearing capacity) and 150 mm. dia. C.I. Syphone including cutting hard crust, excavation, dewatering, back filling and removal of spoils as per standard drawing of K.m.C.

(19)Construction of special inspection pit with chamber of size 900mm. X 600mm. x 1500 mm (inside measurement) and 450mm X 450mm. square shaft (inside measurement) with 250mm. thick cement brick work (1:4) over 150mm. thick jhama cement conc. (1:4:8) bed over a layer of brick flat soling including providing 150mm. thick R.C.C. slab with ordinary cement concrete (mix 1:1.5:3) with 1% reinforcement over the chamber, brick on edge flooring with ordinary cement concrete(mix 1:2:4) in the invert with 20mm. thick cement plaster (1:4) finished fine with 1.5 mm. thick neat cement in the inside walls and invert including supplying, fitting and fixing R.C.P.C. cover and frame (15 m.T. load bearing capacity) with ordinary cement concrete (mix :1:2:4) and C.I. steps( 4 Kg. each) including cutting hard crust, excavation, dewatering, backfilling and removal of spoils but excluding shoring as per standard drawing of K.m.C. (depth of invert should not be less than 1.80m below G.L.) i) Average depth of invert 2.00 m. below G.L.

35mm thick Cement Concrete Pavement (1:2:4) in floor/footpath etc. with graded stone chips 11.2mm down,properly leveled with 3mm thick screen on top by cement slurry [email protected] cement per Sqm. Rounding off corners, chequering as required including taking necessary protective measure complete in Gr.floor/footpath.

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