Irrigation And Waterways Department Tender

(b) Gravel / moorum/ kankar/ compact moorum/ verymuchweather rock / sticky soil mixed with moorum / soil mixed with Shingles.

Extra rate over Item No.2 for all kinds of soil for every additional lift of 1.50 metre or part thereof beyond the initial lift of 1.50 metre.

One (1) No. Extra Lift

Two (2) Nos. Extra Lift

Three (3) Nos. Extra Lift

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge I. In all sorts of soil excluding marshy soil & rocks ( soft 0r hard ) by mnual means. a) upto 3 m depth. (i) Without pumping out water and shoring.

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge. 1. Labour rate per m³ including Cost of sand added to arrive at the complete item rate. 2. Compaction factor of dry clean sand is 0.835. Medium Sand (Grading Zone II as per IS:383-1970) stacked at site.

Precast cement concrete blocks or lining units as per designed sections and specifications, in nominal mix proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20 mm down stone metal aggregate, including dressing, ramming, shuttering, finishing the surface by trowel without adding any additional cement and sand mortar, curing, transporting and laying the blocks or lining units at worksite in position over sand cushion/ filter layer, with cold (paper) joints between the adjacent units having gap varing from 0 to 5 mm as tolerance, with all leads and lifts, including supply and carriage of all materials complete. (The rate is inclusive of the cost of stone aggregate and its carriage of 30.00 K.M. from at Bankura Railway Station upto site. Consumption chart of the USoR used for assessing the quantity of coarse aggregates per cum of concrete.) Stone aggregates of Pakur Varieties

Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in nominal Mix. proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20 mm down stone metal aggregate, laid in position by casting in alternative panels or otherwise to keep a gap of 12mm between the adjacent units, over a layer of polythene sheet of thickness not less than 100µm to act as a separator between the bottom surface of the block and the sand cushion/ filter material laid below the blocks, including dressing, ramming, shuttering, finishing the exposed surface by trowel without adding any additional cement and sand mortar, curing and filling the gaps between the adjacent units by 5.6mm down coarse aggregate to be compacted properly, with all leads and lifts including supply and carriage of all materials, complete, without the cost of sand cushion / filter. (The rate is inclusive of the cost of stone aggregate and its carriage from Bankura Railway Stackyard upto site = 30KM.Consumption chart of the USoR may be used for assessing the quantity of coarse aggregates per cum of concrete). Stone aggregate (Pakur)

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. a) Pakur Variety (The rate is inclusive of the cost of stone aggregate and its carriage of 30.00 K.M. from at Bankura Railway Station upto site. Consumption chart of the USoR used for assessing the quantity of coarse aggregates per cum of concrete.)

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, crossdrain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. Where staging is not required.

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] With 1:4 cement mortar (a) 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Supplying RC spun pipe (NP2) and matching collar as per specification including loading, unloading,carriage and stacking properly at site as per instruction of Engineer in Charge inclusive of all taxes.

22.50 cm Dia Pipe. 2.00 m Long

15 cm Dia Pipe. 2.00 m Long

Matching Collar of 22.50 cm Dia Pipe.

Matching Collar of 15 cm Dia Pipe.

Labour charge for laying, fitting and fixing in position RC spun pipe (NP2) with collar in canal banks, roads, including caulking the joints of collars as when and necessary with cement mortar (prop. 1 : 2) jute and bitumen etc. as approved including preparing sub-grade, curing including cost and carriage of sand, cement etc. complete (excluding cost and carriage of pipes and collars from Departmental stack yard).

22.50 cm dia 2.00 m Long.

15 cm dia 2.00 m Long.

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal /shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by consolidating Laterite (90 mm to 45 mm) with moorum screening NB: Added cost at site of 1.45 m3 of materials and Distance from quarry at to work site: 75KM to arrive at the consolidated rate.

Supplying, spreading and consolidating Moorum to a depth of 75 mm at desired density and C.B.R. as per specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants etc. complete as per specification. [Distance from quarry to work site: 10KM] The compaction factor may be taken as 0.67. (The payment is to be made on the basis of the finished compacted volume of moorum.)

Providing & fixing Concrete Sign Board as per IRC specification of size 900 x 750 x 37 mm. thick made with RCC 1:1½:3 with pakur variety stone chips reinforced with double layer IRC febric (75 x 75 mm.mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above GL & 0.75 metre below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the Engineer-in-Charge. (The rate is inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts, washer etc. complete.)