Sundarban Affairs Department Tender

Labour for taking out old soling including removing debries

a) Single Flat Soling

b) Double Flat Soling

Box cutting in road embankment in all kinds of soil and spreading the soil uniformely over the flanks and considerating and dressing the subgrade to correct camber and grade.

Labour for breaking 1/2 brick or full bricks (old or new) into metal/ khoa/ cjip as per specifiv size and stacking the same at site or stackyard with due allowance on sinkage/shrinkage as per direction of the Engineering in charge. (b) Khoa size 32mm to 25mm

Construction of Sub Base on prepared surface using Local Materials after mixing by mix in place method at OMC with suitable mixing equipments and spreading in uniform layers with spreading equipments capable of mixing the materials to the desired degree and spreading the mix materials uniformly acording to required line and level including screening the materials as necessary to the satisfaction of the EIC and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one meter wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H(5th Revision). (i) For Construction of Sub Base by compacting 1st class brick aggregates (40 mm down) and sand (in proportion of 60:40).

b) By using brick aggregates obtained from old departmental Brick and medium sand.

a) By using brick aggregates obtained from new Brick Bats and medium sand to be supplied by the agency.

Extra over item No.6 as the work is within the riverine area of Sundarban Surrounded by the Bay of Bengal or the rivers like Hooghly, Muriganga, Saptamukhi, Thakuran, Matla, Raimangal, kalindi etc.@ 20% for Gobindakati G.P…

a) By using brick aggregates obtained from new Brick Bats and medium sand to be supplied by the agency.

Supplying Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. Note: Diameter of pile to be measured at a distance of 1.5m from the thicker end. (ii) 12.5 cm av. Diameter

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles ii) 12.5 cm avg. Diameter. Note: 1) Payment to be made on the length driven into the ground. Diameter to be measured at 1.5m. from the thicker end. 2) For string staging under specific instruction of Engineer-in-charge or for driving from pontoon or boats, the rate will be enhanced by ` 4.00 per meter. 3) For driving done by pile engine set (without staging) under specific instruction of Engineer-incharge, the rates will be enhanced by ` 4.00 per meter. 4) For driving done by pile engine set (with heavy staging or from specially made pontoon) under specific instruction of Engineer-incharge, the rates will be enhanced by ` 7.00 per metre.

Supplying, fitting and fixing with iron nails half split bullah wailing pieces and cross pieces etc. complete with cost of all materials and carriage to site. (a) Width of thinner end above 10 cm.and less than 15cm (i) Jhaw / Eucalyptus.

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 are not necessary.

Supplying, fitting and fixing with iron nails half split bamboo wailing pieces (av. dia. of bamboo not less than 5.0 cm.)

Supplying empty Cement bags in good condition.

Filling empty Cement Bags with dry earth or sand, stitching the bag (cost of thread included) and carrying and placing them in position and all incidental charges complete but excluding cost of filling materials, (Earth or sand) and gunny bags.

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.

Earthwork for making embankments or for repairs to embankment,closing breaches etc.including supply and carriage of earth by trucks or carts or by other conveyance over land including loading,transporting& unloading all lifts bothwaysand head load where necessery complete within a lead of:- a)Between 1KM metre and 2 km

Providing and laying Nominal Mix Cement Concrete (with mix proportion 1:1.5:3) / M-20 grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm of Pakur or other approved variety including Screening and cleaning of aggregates, if necessary, both of approved quality and cement, as necessary, compacting by vibrator or other suitable means, cost of curing with water, cost for quality control, sampling, testing etc. and including placing a Separation membrane of impermeable PVC sheet 125 micron thick transparent or white in colour laid flat with minimum creases. Before placing the separation membrane, the sub-base shall be swept clean of all the extraneous materials. Wherever overlap of plastic sheets is necessary, the same shall be at least 300 mm and any damaged sheathing shall be replaced at the Contractor's cost. Including carriage of all materials to site but excluding the cost of staging, shuttering and and reinforcement if any.

Extra over item No.17 as the work is within the riverine area of Sundarban Surrounded by the Bay of Bengal or the rivers like Hooghly, Muriganga, Saptamukhi, Thakuran, Matla, Raimangal, kalindi etc.@ 15% for Gobindakati G.P…

Providing and filling Joint Sealing compound as per drawings and technical specifications with coarse sand and 6% bitumen by weight

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. (b) Where staging is not required

Supplying,laying ,fitting &fixing R.C.C spun pipes and collers with cement morter (1:3) including fixing the pipes collers with jute,pitch etc. including the cost and carriage of spun pipes at site excluding the cost of collars. a) Spun pipes-600 dia, NP-2 Grade

Supplying RCC spun pipe collars including loading , carriage , unloading at site. a)Collar-600 dia, NP2 Grade

Fine dressing and making the crest to correct camber and gtrade by cutting and filling earth where necessary including extra earth.

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.)

GST as applicable - @ 18%

Labour Welfare cess - @ 1%