Kolkata Municipal Corporation Tender

23.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 reinforcement as per standard drawing, brickon- 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

Labour for picking up existing metalled road surface to a specified average depth, including screening and stacking the pavement materials. (c) For average depth above 75 mm but not exceeding 150 mm by manual means: (ii) Brick / Jhama metal surface. ( Ref :PWD (Rds & Brdgs)-2018, It. No. 18.01 Page No.331)

Wet Mix Macadam Base Course Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper to site, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting. guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(Rate as per PWD(WB) schedule of rates 2018(Roads & Bridge Work) , page-249(item-4.12) & 212(table3.3-1) and 4th Addenda & Corrigenda)

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)

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(16.)Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(iii) 150 mm

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)

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary. Note:- Add cost at site of the materials to arrive at the complete rate. The compaction factor for dry, clean sand may be taken as 0.835. (The payment is to be made on the basis of finished compacted volume). (a) For Fine Sand ( Ref :PWD (Rds & Brdgs)-2018, It. No. 4.05 Page No.245 & page-222 sl. No-3)

Manhole connection (upto 450 mm. dia.) including mending good all complete with (1:2:4) cement concrete as per specification and direction of Engineer-in-charge..

Raising manhole cover and frame with CBW (1:4), 375 mm 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))

Raising cover and frame of Catch Pit with CBW (1:4), 250 mm thick up to 100mm high with 20mm thick sand and cement plaster (1:4) including finishing with neat cement after cutting the asphaltum pavement taking out and re-fixing the existing 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))

SANITARY AND DRAINAGE WORKS (B)-(IV)INSPECTION PIT,SEPTIC TANK,SOAK PIT ETC.8.Supplying, fitting and fixing in position reinforced cement polymer concrete manhole /gully pit cover with matching frame.As per I.S-12592(M.D) (i) 35 MT load bearing capacity round manhole cover provided with two lifter hooks fitted with matching frame of size.Cover: 700 mm X 100 mm Frame: 910 mm X 185 mm opening: 560mm Weight: 245 kg (approx)

Supplying, fitting and fixing in position reinforced cement polymer concrete manhole / gully pit cover with matching frame as per I.S. 12592 (M.D.) i) 15 MT load bearing capacity gully pit cover with frame and hinge arrangement for opening of size Cover : 565 mm. X 410 mm. X 90 mm. Frame : 715 mm. X 565 mm. X 185 mm. Weight : 140 Kg. (approx.)

DENSE BITUMINOUS MACADAM [Using Bitumen VG-40 (30/40)] Providing and laying dense bituminous macadam with Hot Mix Plant using crushed aggregate of specified grading, filler(Cement /hydrated lime / Rock dust) premixed with bituminous binder of approved grade @4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix as per table 500-10 and mix design done as per table 500-11 and job mix formula as per clause 505.3.3 of MoRT&H (5th Revision), including screening, cleaning of chips, transporting the hot mix to work site, laying the mixed materials at specified laying temperature, as specified in Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of at least 0.56 Mpa, to achieve the desired density as per clause 505.3.5, all including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction and quality control complete as per Clause 505 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). B. For Grading 2 (26.5 mm nominal size, 50-75 mm thick.) (i) Using Batch Type HMP of minimum capacity 100-120 TPH. (Rate as per PWD(WB) schedule of rates 2018(Roads & Bridge Work),page-213(table-3.3-1) & 253(item 5.05)./ 8th Addenda & Corrigenda , SOR:2018,7th Addenda & Corrigenda SOR 2018)

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour,cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (ii) On Granular Surfaces treated with primer (Using Bitumen Emulsion at the rate of 0.25 to 0.30 kg per sqm.)(Rate as per PWD(WB) schedule of rates 2018 (Roads & Bridge Work), page-213(table-3.3-1) & 251 (item-5.02))

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour,cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)(Rate as per PWD(WB) schedule of rates 2018 (Roads & Bridge Work), page-213(table-3.3-1) & 251 (item-5.02))

Transportation and laying 40 mm thick hot asphaltum mixture from kmc plant to the work site including rolling but excluding the cost of tack coat (covered area- 1250 square meter per 100 mt hot-mixture) a) without paver finisher i) Night Time ( Ref :As per KMC Rates, taxes, fees & Charges for the year 2019-2020, As per present market Price, Rate appvd. By D.G.(Civil) Circular No-21 of 2016-17 dtd-25.10.16 vide resolution MIC meeting (Item no-M-29.22 dtd-21.09.16), Mpl. Secretary Circullar no-02 of 2018-19 dtd.04.04.2018 )

(b) Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. ( Ref :PWD (Bldg.)-2017, It. No. 1, Page No. 200)

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 : (ii) Two coats (white in shade) ( Ref :PWD (Bldg.)-2017, It. No. 2, Page No. 200)

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 : (iv) Two coats (with any shade except white) ( Ref :PWD (Bldg.)-2017, It. No. 2, Page No. 200)

Sub Total

GST 18%

CESS 1%