RE-CONSTRUCTION / RE-STRENGTHENING OF CERTAIN RETAINING WALL IN GANGTOK MIL STN UNDER GE GANGTOK

Amount

Rough excavation in hard/dense soil not exc 1.5m deep and getting out complete all as specified and as directed..

Rough excavation in soft/disintegreated rock not exc 1.5m deep and getting out complete all as specified and as directed.

Excavation over areas n.exc 1.5m deep and getting out in soft/loose soil complete all as specified and as directed.

All as item No. 3 here-in-above but depth exc 1.5m and n.exc 3.0m.

As per item No. 3 here-in-before but in soft/disintegrated rock.

Excavation in trenches n.exc 1.50m wide or n.exc 10 Sqm on plan and n.exc 1.5m depth for foundation etc and getting out in soft/loose soil

Returning filling in, including, spreading, levelling, watering and well ramming in layers n.exc 25cm in soft / loose soil complete all as specified and as directed.

Removing surplus excavated materials to a distance n.exc.50m and depositing where directed at a level n.exc 1.5 above the the starting point complete all as specified and as directed.

All as per Serial Item No. 8.00 here-in-above but distance exc 50 m and upto 250 m.

All as per Serial Item No. 8.00 here-in-above but distance exc 250 m and n.exc 500 m.

All as per Serial Item No. 8.00 here-in-above but distance exc 500 m and n.exc 1.50 Km.

All as per Serial Item No. 8.00 here-in-above but distance exc 1.5 Km and n.exc 5.0 Km.

M & L for sand filling (fine Aggregate) in inverted filter media at backside of the RCC retaining wall complete all as specified and as directed.

M & L for 20 mm coarse aggregate for loose filling in inverted filter media at backside of the RCC retaining wall complete all as specified and as directed.

M & L for 40 mm coarse aggregate for loose filling in inverted filter media at backside of the RCC retaining wall complete all as specified and as directed.

Labour only for Hand packing using Broken stone or boulders (any thickness) at backside of block masonry retaining wall and raising or lowering to the required level complete all as specified and as directed. (NOTE : Serviceable stone / boulder obtained against Serial Item No. 41 here-in-after shall be reused).

M&L for PCC (1:3:6) type C-2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concrete complete all as specified and as directed.

M&L for Plain Cement Concrete M-10 (Nominal mix) using 40 mm graded aggregate (typeC2) as in retaining wall etc complete all in specified and as directed.

M&L for Plain cement concrete M-20 (Design mix) (using 20mm graded stone aggregate) as in surface channels/ drain including forming fair finished to drain /channel surfaces complete all as specified and as directed.

M & L for Plain cement concrete (1:2:4) type B0, (using 12.5 mm graded stone aggregate) in coping including weathering slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and as directed.

M & L for walling with Precast cement concrete block masonry using solid blocks of size (400x200x200 mm) made out of Precast PCC M-15 (Nominal Mix) (using 20 mm graded stone aggregate), setting in cement mortar (1:4) complete all as specified and as directed.

M & L for Precast Plain cement concrete M-10 (Nominal Mix), type C1 (using 20 mm graded stone aggregate) as in bond stones for stone walling and set in cement mortar (1:4) with plain fair faces including chamfers, weathering, throating etc & getting in cement mortar complete all as specified and as directed.

M&L for RCC M-25 (Design mix) (using 20mm graded stone aggregate) as in foundation of retaining wall including raft, footing, foundation beam and mass concrete complete all as specified and directed.

M&L for RCC M-25 (Design mix) (using 20mm graded stone aggregate) as in retaining wall, basement walls, ballast wall, RCC band and the like any thickness above top of the footing complete all as specified and directed.

M&L for RCC M-20 (Design mix) (using 20mm graded stone aggregate) as in slab, landings, balconies, canopies, deck slabs, shelves and the like complete all as specified and as directed.

M & L for walling of random rubble, brought upto courses, well bonded, bedded and solidly hearted, built in cement mortar 1:6 complete all as specified and as directed.

All as per item No. 26 here-in-before but except stone. (NOTE : Old serviceable stone obtained from Serial Item No. 41 here-in-below shall be reused.)

Blank

M&L for shoring and strutting timbers complete all as specified and as directed. (NOTE : Scope of above item broadly includes use and waste of timber, putting together, erecting, striking and removing together with all necessary bolts including boring holes for same, dogs clamps, spikes, nails, wedges etc complete and mainting in position until no longer required.)

M&L for formwork to sides of retaining wall foundation, footing,bases of column, side and soffit (if any) of foundation, flat and rough finished surfaces of concrete complete all as specified and directed.

M&L for formwork to faces of walls, retaining wall, abutment, parapet etc vertical or to batter, flat and rough finished surfaces of concrete complete all as specified and directed,

M&L for form work to sides and soffit of slabs and similar works including supports, over hangs etc, flat and rough finished surfaces of concrete complete all as specified and as directed.

M&L for TMT bar 10 mm dia and over, cut to length, bent to shape required including cranking,bending sprially for hooping for columns,hooking ends and binding with and including MS wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified and as directed.

All as per Item No.33 above but 6mm to 8mm dia bar.

All as per Item No.33 above but 6mm to 8mm dia bar as in stirrups / spacers / binders.

M&L for 75mm thick PCC type C-2 (1:3:6) (using 40 mm graded stone aggregate) in plinth protection, path/ hardstanding and finished cement concrete surfaces fair and even all as specified and as directed.

M&L for 20 mm thick rendering over RR masonary or stone surfaces in cement mortar (1:4) as in backing layer for riser of steps complete all as specified and as directed.

M&L for Flush pointing to PCC block in course or ashlar masonry or concrete block walling surfaces in cement mortar (1:4) complete all as specified and as directed.

S&F PVC (SWR) pipes single socketed in short length as in weep holes, 75 mm dia packing with inverted filter media at back complete all as specified and directed. (NOTE : M&L for inverted filter media packing at back shall be measured and paid under appropriate item here-in-before.)

All as per Item No. 38 here-in-above but 110 mm dia.

Demolition of Old damaged Stone boulder masonry retaining wall built in Cement mortar complete all as specified and as directed.

Dismantling of Old Stone boulder masonry retaining wall built in Cement mortar complete all as specified and as directed.

Demolition of reinforced concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

S&F geosynthetic material 75mm dia as in weep holes cover complete all as specified and as directed.

All as per Serial Item No. 43 here-in-above but 110 mm dia.

M/s KACHO BHUTIA

STAR CONSTRUCTION

M/S R. K. INDUSTRIES

AKM CONSTRUCTION AND ENGINEERING LLP