86493E8 SPECIAL REPAIRS TO SEWAGE LINE AT VARIOUS LOCATIONS UNDER GE STM CHENNAI

Amount

BOQ UPLOADED ON 03 AUG 2021

SCH "A" (SEWAGE WORKS)

Demolition of brickwork or stone boulder masonry, built in cement mortar, including all quoins, arches, pillars etc., but excluding ashlar facings, dressed stonework and precast concrete articles and removing from site under Sch of credit complete all as specified and as directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition) and removal of unserviceable debris to outside of MD land complete all as specified and as directed.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) of internal dia of pipe 150mm, set in cement mortar and removal of unserviceable debris to outside of MD land complete all as specified and as directed.

Earthwork in excavation by mechanical means (hydraulic excavator) in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m in any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in any type of soil complete all as specified and as directed.

Plain cement concrete, 1:4:8, type D2, using 40mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed.

Supply only liquid water proofing compound all as specified and as directed.

Plain cement concrete, type B1, 1:2:4, using 20mm graded stone aggregate as in bed blocks, coping, benching and the like including weathering, slightly rounded or chamfered angles and throating and necessary formwork complete all as specified and as directed.

Pre-cast reinforced cement concrete, 1:2:4, type B1, using 20mm graded stone aggregate as in cover slabs with plain fair faces, including chamfers, weatherings, throating etc., and setting in cement mortar (1:6) complete with joints to match complete all as specified and as directed.

Notes:-

(a) The rate is inclusive of finishing the exposed surfaces as per clause 4.11.16 of MES Schedule Part-I.

(b) Reinforcement shall be measured and paid separately as applicable.

Extra for forming fair finished drain or channel of upto 30cm inner girth in cement concrete using extra cement, including forms, moulds, mitred / stopped ends etc., complete all as specified and as directed.

Add for each 25mm or part thereof over 30cm inner girth in cement concrete using extra cement including forms, moulds, mitred / stopped ends etc., complete all as specified and as directed.

Brickwork with fly ash bricks, old size, straight or curved on plan exceeding 6m mean radius built in cement mortar 1:4 of designation 50 complete all as specified and as directed.

Mild steel TMT bars 6mm to 8mm dia, cut to length bent 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 0.9mm dia or securing with clips as in main reinforcement complete all as specified and as directed.

Rendering 15mm thick in CM(1:3) on fair faces of brickwork or concrete surfaces mixed with water proofing liquid finished even and smooth without using extra cement all as specified and as directed.

Supply only liquid water proofing compound shall be measured and paid separately.

Rendering 15mm thick in CM(1:6) on fair faces of brickwork or concrete surfaces finished fair and even complete all as specified and as directed.

Preparing newly plastered surfaces of wall and applying three coats of white wash including in narrow widths, bands, cornices, pilasters etc., complete all as specified and as directed.

Concrete bed to RCC drain pipes in plain cement concrete 1:3:6, type C2, using 40mm grade stone aggregate including necessary formwork including packing under, and haunching against the sides of pipes after securing the joints with suitable RCC collar for bore of pipe of 150mm after they are laid and tested all as specified and as directed.

Reinforced concrete pipes, class NP3, laid and jointed complete with collars of bore of pipe 150mm laid in trenches complete all as specified and as directed.

Earthwork and concrete bed as required shall be measured and paid for under relevant items of this schedule.

PVC (SWR) soil, waste and vent pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors of bore 75mm complete all as specified and as directed.

Earthwork as required shall be measured and paid for separately.

PVC (SWR) soil, waste and vent pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors of bore 110mm complete all as specified and as directed.

Earthwork as required shall be measured and paid for separately.

PVC (SWR) bend any radius of bore 75mm complete all as specified and as directed.

PVC (SWR) bend any radius of bore 110mm complete all as specified and as directed.

PVC (SWR) junction single, (Single T) equal or unequal of bore 110mm complete all as specified and as directed.

PVC (SWR) bend any radius of bore 110mm with access door complete all as specified and as directed.

PVC (SWR) vent cowl of bore 75mm as in repairs complete all as specified and as directed.

PVC (SWR) vent cowl of bore 110mm as in repairs complete all as specified and as directed.

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 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required for internal dia of pipe 150mm complete all as specified and as directed.

G RAVI

M/s Omm Muruga Enterprises