Construction of drainage system to treat water logging problem of AIIMS Guwahati campus along with pumping facilities. PACKAGE 3 RETENDER

Amount

Excavation for Structures Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, ressing of sides and bottom and backfilling in trenches with excavated suitable material. (v) Marshy soil A. Manual means ( Depth upto 3 m) ( without de-watering)

Dry brick on edge flooring in required pattern with bricks of class designation 7.5 on a bed of 12 mm mud mortar, including filling joints with Jamuna sand, with common burnt clay non modular bricks.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 (A) With crushed Stone I (II)P.C.C grade M 15 Nominal mix 1:2.5:5 (Hand mixing)

Stone masonry in cement mortar for substructure complete as per drawing & technical specification Clauses 702, 704, 1202 and 1204 (III) Random rubble masonry In 1:4 cement mortar

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Centering and shuttering including strutting, propping etc. and removal of form work for : Foundations, footings, bases for columns

12 mm cement plaster of mix : 13.4.1 1:4 (1 cement: 4 coarse sand)

Providing and laying a buried expansion joint, covered with 12 mm thick, 200 mm wide galvanised weldable structrual steel plate as per IS:2062,placed symmetrical to centre line of the joint, resting freely over the top surface of the deck concrete, welding of 8 mm dia, 100 mm long galvanised nails spaced 300 mm c/c along the centre line of the plate, as per technical specifications Clauses 1207.2.3

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A. With Crushed Stone II. P.C.C. grade M 20 ii. Nominal mix 1:2:4 (Hand mixed)

Clearing of deposited compact water hyacinth root and other aquatic plants from the bed of drains/channels including cutting, removing and stacking at places away from the bank etc. Complete with all lead and lift as directed.

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private Land

Haulage excluding Loading & Unloading Haulage of materials by tipper excluding cost of loading, unloading and stacking. Case-III: Katcha Track and Track in River Bed/Nallah Bed and Choe Bed

Dismantling of Structures: Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. (b) Reinforced Cement Concrete.

Bhaskar Baruah

Ashok Kumar Agarwalla