WBIW/SE/EC/PD-1/NIT-02(e)/ 2019-20/ SL-3

Amount

Earthwork in making new embankment / ring bundh/ retired embankment by excavation of earth from borrow pits in all kinds of soil including making berms and depositing the same in layers not exceeding 25 cm. as per profile within an initial lead of 30 metre and lift of 1.5 metre including cost of nicking outlines, dug-belling, putting profiles, cutting and removing thick and thorny jungles, uprooting trees and stumps of all sizes upto 30 cm., girth from the site alignment as per direction of the Engineer-in-Charge including dewatering, removal of weeds, carcasses, organic matter etc., if any, breaking clods, rough dressing, watering, ramming, compacting etc. complete. (Work to be executed on section measurement by pre-work & post-work level section) A. Where land for earth owned/arranged by the Department.

Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per profile including supply and transporting the earth by truck or tractor or any other mechanical means on land , including loading, transporting, unloading and stacking with all lifts both ways and head load where necessary and depositing the same on embankments, cannels, filling depressions in requisite profile, levelling as per direction of the Engineer-in-charge within a lead of : Note :-The rate is inclusive of Royalty Charges and Compensation for earth for land owned / arranged by the contractor. Royalty payment certificate in original from competent authority are to be produced along with the bill, otherwise amount due towards Royalty @ Rs.18.00 / Cum will be deducted from the bills of works . NB :- Measurement to be taken on the basis of stack measurement / pre-post work section measurement after deduction of void as per norms. No extra payment will be made for stacking.

Beyond 500 metre and upto 1.00 km

Beyond 1.00 km and upto 2.00 km

Beyond 2.00 km and upto 3.00 km

Compacting earthwork in embankment in layers of 25 cm. by power roller or by any other mechanical means, like tractor driven sheep foot roller/ vibrating plate compactor earth rammer etc., (not at OMC) including necessary watering, labour charges, hire charges of all materials, tools & plants etc. and including cost and supply of all materials complete as per direction of the Engineer-in-charge. (Payment will be made on the basis of Pre-work & Post-work level)

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 metre as directed and including trimming the sides of the trenches, levelling, 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 or hard) by manual means. A) Upto 3 m depth i) Without pumping out water and shoring.

Earthwork in filling in foundation trenches or plinth with good earth in layers not exceeding 150 mm including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work). A) With earth obtained from excavation of foundation.

Supplying at site and laying in position UV stabilized polypropylene woven geotextile of 430 gsm as filter, as per specification, including cost of preparing the bed, placing the geotextile as per profile with at least 15cm lapping, wherever required and anchorage at top, sewing / welding the overlapped portion, storage and transportation by all means, complete as per direction of the Engineer-in-charge. Note: 1. Payment to be made on measurement of finished surface without lapping, but including anchoring length at top. 2. Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.7.7, 2.7.9 and 2.7.10 under the Chapter of “Specification for Works” in the USoR shall be reproduced and included in the tender document as “Specification & Special Terms & Conditions for Geotextile” in case of use of this item in the estimate. 3. This particular item is to be used in special cases, either in continuation of previous usage or after offering adequate justification from techno-economical angles.

Making sausages Square or Rectangular in section (any length) made with 1st class kiln burnt / 1st class picked jhama full bricks rolled inside with 10 S.W.G. galvanised square pattern (internal dimension of mesh will be 100 m.m. x 100 m.m. square) galvanised wirenet caging with proper lapping of minimum 150 m.m, and sewing with 12 S.W.G. galvanised wire including cost of all materials, carriage upto site, placing and laying the same in position, after preparing the bed to proper slope etc. complete as per direction of the Engineer-in-charge. (cost is excluding the cost of end pieces.) A) 1.00 metre x 1.00 metre nominal section

Providing and laying pre-cast brick block pitching of required size (53 Cm. x 53 Cm, x 25 Cm. or as directed by the Engineer-in-charge ) with 1st class kiln burnt bricks in cement mortar including flush pointing on all faces except exposed face which to be plastered with 19 m.m. thick cement plaster , curing, dressing, ramming & preparing subgrade in slopes & bed complete with necessary earth work not exceeding 300 mm in depth with all leads & lifts including cost of all materials/ blocks up to site by all means of transport. The gap between adjacent blocks will not be more than 10 m.m. (Sand, cement mortar mix for making blocks, pointing & plastering is1:4) .

Supplying, testing and installation of open Weave Jute Geo-textile (JGT) having overall weight of 500 gm/sq. m, thickness 6 mm, width 1220 mm, Tensile strength 10 KN/m (Warp direction) × 7.50 KN/m (weft direction) on slopes of embankments dressed and cut to a gradient as per design and drawing for control of surface soil erosion on proposed bank slope of embankment including the cost of preparation of sub-grade and excavating the trenches of 500 mm deep and spade-width wide where necessary, and filling the trenches with earth duly secured to sub-grade by U shape MS staples (11 gauges) or wooden or plastic pegs at an interval of 450 mm, providing side lapping of 100 mm and horizontal lapping of 300 mm as per direction complete.The rate is inclusive of all incidental charges, transportation by all means to the work site, all leads and lifts complete. (Payment will made on the basis of finished surface area of the slope).

Turfing with chorkata or durba grass sods 5 cm. to 8 cm. thick in slope, crest berm etc. of embankments, canals and drainage channels etc. within a lead of 150 metre and all lifts including fine dressing, watering, ramming, guarding etc. complete. (sods will have to be arranged by the contractor at his own cost. Payment to be made on the grown grass only).

Extra rate over Item No 10 for each additional lead of 75 metre or part thereof beyond the initial lead of 150 metre upto 750 metre. A) 07 additional lead

Making cubical bamboo porcupine cages with bamboo of 60 mm to 75mm dia. having length of 2 metre each for all horizontal and vertical struts and 2.8 metre length for diagonal struts, 3 nos horizontal and 3 nos vertical struts should be placed equi-distant from each face to make the square cage of outer dimension 75 cm x 75 cm and projecting each strut by 60 cm on all directions. Two nos dioganals or cross bamboo posts should be placed on each face having their centre tied with the centre of cage properly including fitting, fixing corners, vertical, horizontal and diagonal struts with iron nails not less than 20 cm long and tying corners with 16 SWG galvanized iron wire, filling the cages with 1st class kiln burn Brick @ 80 nos bricks per cage. Cages built with 10 SWG hexagonal or square pattern 10 cm mesh with proper lapping, tying and sewing with 10 SWG GI wire including cost of all materials, carriage to site and laying the same in the bed or slope of the river complete as per direction of the Engineer - in - Charge . A) For cages of size 75cm x 75cm x 75cm with 1st class kiln burn Bricks i) Single cage.

Extra rate for item no.12 above for dumping by boat in flowing water including cost of hiring of boat, boatman, loading into boat and dumping in specified location including all other equipments etc. complete as per direction of the Engineer-in-charge.

Supplying at site the following material including carriage, overhead charges and contractor's profit. Galvanised Iron Wire 8 S.W.G.

Earthwork from borrow pits over existing embankment or for repairs to embankment, closing breaches etc. within an initial lead of 30 metre and lift of 1.50 metre including breaking clods and depositing the same in layers not exceeding 25 cm. and rough dressing etc. complete as per profile.

Extra rate over Item 15 for all kinds of soil for every additional lead of 30 metres or part thereof beyond the initial lead of 30 metres. A) 04 additional lead

Extra rate over Item No.15 for all kinds of soil for every additional lift of 1.50 metre or part thereof beyond the initial lift of 1.50 metre. I) 01 additional lift

Supplying, dressing and stacking at site bamboo pins above 5 cm. diameter and upto 7.5 cm. diameter. (Dia. to be measured at mid length).

Driving bamboo pins in standing or flowing water including scaffolding and driving appliances. A) Where boats arenot necessary

Supplying, fitting and fixing with iron nails half split bamboo wailing pieces. (Av. Dia of bamboo not less than 5.00 cm)

Supplying to site empty cement polythene bags (capacity 50kg) in good condition including stacking, incedental charges etc. all complete (capacity 50 kg).

Labour charges for filling empty cement gunny bag / polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or agreegates(stone / brick) and sewing as done in case of cement bags ,( tying with a knot after filling will not be accepted ) , and stacking within a lead of 30 metre as per direction of Engr-in-charge (cost is excluding the cost of any types of filling materials). NB:- Volume of earth/ sand filled bags should not be less than 0.028 cum/ bag.

Dumping in position earth / sand filled gunny / poly bags (capacity 50 kg) within a lead of 30 metre inclusive of all lifts.

Extra rate for item no 22 above for each additional lead of 60 metre or part thereof beyond the initial lead of 30 metre. A) 2 additional lead

BARDAN CONSTRUCTION

TAPAN KUMAR SAHA