SPECIAL REPAIRS TO EXISTING GRAVITY DRAIN LINES ASSOCIATED WITH GALLEY AND DINING HALL OF INLIVING SAILORS AND ENC(O) MESS AT INS CIRCARS, VISAKHAPATNAM

Amount

Demolition and breaking 150 mm bore drain pipes (SGSW/AC/RCC) set in cement mortar including cement concrete bedding and removal of debris/rubbles etc to a distance n.exe 100 m complete all as specified and directed. (Note: Necessary excavation and earth work shall be measured and paid seperately)

M&L for excavating in trenches in soft/loose soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete all as specified

Demolition of un-reinforced cement Concrete of any description and in any position not otherwise specifically provided for and removing rubbish to a distance n.exe 100 m complete all as specified and directed.

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

Demolition of brick work or stone / boulder masonry, built in cement mortar including all quoins, pillars etc and disposal of debris and rubbish to a distance n.exe 100 m as directed by the Engr-in-Charge.

M & L for brick work with fly ash bricks, straight or curved on plan to any radius, built in cement mortar 1:6 using old size brick complete all as specified and directed.

All as per item no 6 but except brick complete all as specified and directed. Note : Old serviceable bricks obtain from item no 5 here in before shall be reused

M & L for Walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:4 as in retaining walls, abutments and similar work complete all as specified and directed.

All as per item no 8 but except stone complete all as specified and directed. Note : Stone obtain from item no 5 here in before shall be reused

M & L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 and finished the surfaces even and smooth without using extra cement complete all as specified and directed.

M & L for cement concrete (1:2:4), type B1 (using 20mm graded stone aggregate) as in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, including necessary formwork complete all as specified and as directed.

Demolition of reinforced cement concrete in any position not otherwise specifically provided for and removing rubbish to a distance n.exe 100 m complete all as specified and directed.

M & L for Precast Reinforced Cement Concrete 1:2:4, type B-1 (using 20 mm graded stone aggregate) as in cover slab (For manhole etc), chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces and set in cement mortar 1:4 including necessary form, moulds, etc complete all as specified and directed by the Engr-in-Charge. (Note : Reinforcement shall be measured and paid separately)

S & F high strength corrosion resistant TMT steel bars 6mm to 8mm dia., and over cut to length, bend to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips quality complete all as specified and directed.

M & L Reinforced concrete pipes, class NP2, 200 mm bore, laid and jointed with collars complete all as specified and as directed.

M & L for Plain cement concrete 1:3:6, type C-2 (using 40 mm graded stone aggragate) as in concrete bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 200 mm bore SGSW/RCC drain pipes complete all as specified and directed

M & L for Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 round section) in cement concrete 1:2:4 type B1, smooth finished and reforming benching as required for 150 mm bore of pipe complete all as specifieed and directed.

M & L for Reinforced Cement Concrete M-30 (Design Mix) (using 20 mm graded stone aggregate) as in walls, retaining walls, basement walls, ballast walls and the like; any thickness; above top of footings; including attached pilasters and buttresses complete all as specified and directed

S & F high strength corrosion resistant TMT steel bars 10 mm dia., and over cut to length, bend to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips quality complete all as specified and directed.

Use and waste of formwork to faces of walls,retaining walls, abutments,parapets and staircase railings and similar work including attached pillasters, buttresses,etc.; vertical or to batter for rough finish surface of concrete complete all as specified and directed

M & L for Plain cement concrete 1:3:6, type C-2 (using 40mm graded stone aggregate) as in surface channel, drains etc complete all as specified and directed.

Extra for forming fair finished to concrete surface of drain 30cm inner girth in cement including forms, mould, mitred/stopped etc complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm as in soft/loose soil complete all as specified and directed.

Removing excavated materials exc 1.5 Km but n. exc 5 Km and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

K SATYANARAYANA ENTERPRISES (BID ID -3227652)

VASANTHA NAIDU ASSOCIATES (BID ID -3232983)

S J CONSTRUCTIONS (BID ID -3227355)

GVR CONSTRUCTIONS (BID ID -3233480)