Maintenance of the 160MLD SWTPReconstruction of the existing unsafe RCC deck slab culvert across perennial stream at pipeline service road chainage 4500.

Earthwork in excavation over areas in saturated soil (exceeding 0.30 m upto a depth of 0.60 m) including disposal of excavated earth lead upto 50 m and lift upto 1.5 m disposed earth to be neatly dressed and leveled including pumping or bailing out water

Extra for earthwork excavated in saturated soil for every 0.30 m depth or part thereof over 0.60 m depth below water table including pumping and bailing out water

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1: 1.5: 3 (1 cement: 1.5 coarse sand: 3 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering shuttering and finishing in:;In retaining walls return walls(any thk) including attached pilasters columns piers abutments pillars posts struts buttresses string or lacing courses parapets coping bed blocks anchor blocks plain window sills fillets etc upto floor five level.

Centering & shuttering including Strutting Propping & removal of forms for :;Vertical surfaces such as retaing walls return walls Partitions walls (any thickness) including attached Pilasters Buttresses Plinth and string courses Fillets and the like

Centering & shuttering including Strutting Propping & removal of forms for :;Suspended floors roofs landings shelves & their supports

Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering shuttering finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size);In beams suspended floors roofs having slope upto 15° landings balconies shelves chajjas lintels bands plain window sills staircases upto floor five level

Providing TMT steel reinforcement bars of (SAIL TATA. VIZAG JSW Steel Ltd.) ) (Confirming to IS 1786 of 1986) for RCC work (conforming to I.S. 1786 of 1986) including bending binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Providing and fixing 40 mm dia G.I. Pipe railing in 3 rows complete with G.I. Fittings incl. Painting of pipes and fittings with white paint of approved quality incl. A priming coat with a ready mixed primer for new works incl. Providing R.C.C. 1:2:4 rail posts of size 0.15 x 0.15 x 1.00 M with base of 0.25 x 0.25 x 0.3 m at every 2 mts intervals and double rail post with a bar drawings inclusive of cost of reinforcement etc. all complete including white wash washing of rail posts etc. all complete.

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while layingpipes of approved the concrete of retaining wallwing wall and earth retainig structure complete as directed by the Engineer in charge;B) 75 mm dia