Kolkata Municipal Corporation Tender

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)

Cement concrete with graded jhama khoa (30 mm size) excluding shuttering In ground floor and foundation.(b) 1:4:8 proportion ( Ref :PWD (Bldg.)-2017, It. No. 1, Page No.23 & 3rd Corrigenda Addenda dtd-04.06.18, P-9 & 10)

Constructing Special Inspection chamber pit (size 900 mmX600 mm) to a depth of 1.15 metre (insid(e), 250 mm thick 1st class brick work (1:4) in all sides over a layer of jhama brick soling and 150 mm thick Jhama cement concrete  (1:4:8) including necessary earth work, invert with ordinary cement concrete (1:2:4) with stone chips over brick-on-edge flooring, plastering inside  with 20 mm thick cement plastering (1:4) and neat cement punning, including supplying,fitting and fixing one 450 mm. dia (15 MT) heavy duty RCPC manhole cover of approved make with R.C.C. slab of 100 mm thick with cement concrete (1:1.5:3) with stone chips including necessary reinforcement, shuttering and CI foot steps (4 kg each) (Depth of invert between 1.15 m to 1.80 m below G.L.)

Constructing Special Inspection chamber pit (size 900 mmX600 mm) to a depth of 1.15 metre (insid(e), 250 mm thick 1st class brick work (1:4) in all sides over a layer of jhama brick soling and 150 mm thick Jhama cement concrete  (1:4:8) including necessary earth work, invert with ordinary cement concrete (1:2:4) with stone chips over brick-on-edge flooring, plastering inside  with 20 mm thick cement plastering (1:4) and neat cement punning, including supplying,fitting and fixing one 450 mm. dia (15 MT) heavy duty RCPC manhole cover of approved make with R.C.C. slab of 100 mm thick with cement concrete (1:1.5:3) with stone chips including necessary reinforcement, shuttering and CI foot steps (4 kg each) (Depth of invert between 1.15 m to 1.80 m below G.L.) ii) Addition and deduction of rate of special inspection chamber pit as per above item  for each addition or reduction in depth of 150 mm. or part thereof.

Constructing catch pit to a depth of 1.0m (Insid(e) with 250mm th. 1st class Brick Work (1:4) in all sides over a layer of jhama brick soling & 100mm th. jhama cement concrete (1:4:8) including necessary earth work, providing approved type C.I. Syphone (150mm dia) with topping RCPC gully grid (5MT load bearing capacity) constructing invert with brick -on-edge, including 20mm th. inside cement plaster (1:4) finished with neat cement punning, at the top 100mm th. R.C.C. slab (1:1.5:3)  with stone chips including necessary reinforcement, shuttering as per standard drawing  and as directed by E-I-C complete in all respect and removal of surplus earth with all costs of labour and materials. Inside measurement of catch pit,  600mm X 525mm

Raising manhole cover and frame with CBW (1:4), 250mm thick up to 100mm high with 20mm thick sand and cement plaster including finishing with neat cement after cutting the asphaltum pavement and taking out and re-fixing the existing manhole cover and frame with cement concrete (1:1.5:3) with stone chips all round the frame surface including removal of surplus spoils. ( Ref :Rate based on PWD Current SOR, PWD(R&B) 2018, p-233 (it -2.05), p-332(it-18.06), p-222 sl-5(a), p-332 (it -18.05)),  pg-227, I-1.03, pg-230,Table-I , Table III-2 pg-226, PWD(B) 2017 , p-189 (it -1) and 3rd corria. & Adda., p-49&50, Date 04.06.2018, p-192 (it -15), p-26 (it -10(i)), consumption chart pg-B-60, sl-3 and Annex-II , Format-A & 3rd Corr. & adda. dtd-04.06.2018, p-303 ,    p-191 (i -6) and 3rd Corr. & Adda, page-52, p-303, p-269 (it -1) and 1st Corria & Adda, Page-4, Date 08.01.2018, page-12 (item -13))

Sub Total

GST 18%

CESS 1%