Gangasagar Bakkhali Development Authority Tender

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns,lintels curved or straight including fitting, fixing and striking out aftercompletion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge

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. (i) Pakur Variety

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

Brick work with 1st class bricks in cement mortar (1:4) (b) In superstructure, ground floor

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] (ii) With 1:4 cement mortar (b) 15 mm thick plaster

Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 40 kg each

Eucalyptus bullah walling of 15cm dia. And 5 m long bullah pin @0.375 mtr.c/c bullah walling of 3.5 m (av)beloe GL. Including fitting , fixing 3 nos of 15 cm dia bullah as runner providing 2.50 mtr long 15cm dia bullah as tie bar @2.25mtr c/c nd 15cm dia. and 3.0 mtr long bullah as tie post @2.25 mtr c/c driven @2.5 m below G.L. and walling including tying or sewing mouth including cost of thread including cost of all materials and two coat of coal tarring to all eucalyptus bullah etc. complete including the cost of materials as per direction.

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

Supplying at site geotextile bags of size 1.00 m x 0.70 m using UV stabilized needle punched polypropylene non-woven geotextile of 300 gsm as per specification, double stitched at two ends with polypropylene or equivalent yarn including cost of transportation by all means and other incidental charges complete. Note: Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.7.5, 2.7.7, 2.7.8, 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 and Special Terms & Conditions for Geotextile Bags” in case of use of this item in the estimate.

Labour charges for filling Geo-textile bags with filler materials (earth/sand), machine stitching the open end of the bag with thread as per design and placing the same on slope or dumping from bank within initial lead of 150m and all lifts including carriage and hirecharges of all materials and equipments but excluding the cost of filler materials as directed by the Engineer-in-Charge i) Bag size 1.00m x 0.70m of capacity 0.1325 cum/bag