CLEANING, REPAIRS TO SEWAGE LINES, CLEANING OF OHT, SEPTIC TANKS AND SERVICE TANKS AT AIR FORCE STATION SURYALANKA

Amount

Cleaning the septic tanks of 25 users capacity by dewatering all the water, taking out sludge, rigid soil by mobile tank cleaners and shifting / removing outside MOD land, flushing the septic tanks with clean water in order to remove all slaked mud sludge etc cleaning the tanks with bleaching powder solution and surface dressing all around the septic tank to a distance not exceeding 3 mtr complete all as spd and as directed by Engineer - in -Charge. Notes: - (i) All precautions to be taken while working in foul condition. (ii) Cleaning date shall be written with paint at visible place as directed by Engineer - in -Charge.

All as per item No.1 above but 50 users

All as per item No.1 above but 100 users

All as per item No.1 above but 200 users

Cleaning of manholes of any size & depth and removing the all sediment materials outside of MOD land by Contractor’s own arrangements and placing back of covers complete all as Spd and as directed by Engineer - in -Charge. Note: - Contractor shall take all precautions to work in foul conditions.

Cleaning of sewage lines of dia 100 mm by rodding manually or mechanical means and taking out sludge, rigid soil and removing outside MOD Land by contractor’s own arrangements complete all as spd and as directed by Engineer - in -Charge.

All as per item no. 6 above but 150 mm dia sewage line

M&L cleaning and removing all scale and dirt etc from service water tanks of 250 litres capacity and from mouths of circulating pipes etc complete all as directed by Engr - in - Charge. Note:- Date of cleaning and next due date shall be written on the surface of water tank in white letters on black back ground with synthetic enamel paint.

All as per item No. 8 above but exceeding 250 litres but not exceeding 500 ltrs capacity.

All as per item No. 8 above but exceeding 500 litres but not exceeding 1000 ltrs capacity.

M&L for clearing the blockage in the water closets completely preferably by manually means to enable the flush water to flow freely to the manholes complete all as specified and directed by Engr-in-Charge.

M&L for clearing the blockage in the Gully Trap/Floor Trap/Nahani Trap completely enable the sewage to flow freely to the next manholes, removng the sludge and other materials obtained from the manholes by suitable means and removing all the materials obtained from the manholes out side MD land and cleaning the complete area including making good any damages to the manholes complete all as specified and directed by Engr-in-Charge.

Excavation in trenches ,n.exe 1.5m wide and n.exe 1.5m in depth for replacement of sewage lines and getting out in soft/ loose soil complete all as spd and as directed by Engr - in - Charge.

Demolition and breaking up drain pipe 150mm dia (salt glazed ware, AC or reninforced concrete) set in cement mortar including bedding and haunching complete all as spd and as directed by Engr - in - Charge.

M&L for plain cement concrete bed 100mm thick for 150mm bore drain pipes in 1:4:8, type D2 using 40 mm graded stone aggregate including packing under and hunching against the sides of pipes after they laid and tested complete all as spd and as directed by Engineer - in -Charge.

M&L for salt glazed stone ware drain pipe, grade 'A', 150mm dia (internal dia) laid in trenches and jointed with cement mortar 1:1 complete all as spd and as directed by Engineer - in -Charge. Make:- INDO PIPES/ KIRAN POTTERIES/ MANCHERIAL CERAMICS/NOVODAYA CERAMICS

M&L 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-1 smooth finished and reforming benching as required complete all as specified and as directed by Engr-in-Charge.

Returning, filling in soil, including spreading leveling, watering and wall ramming in layers not exceeding 25 cm in soft/ loose soil complete all as spd and as directed by Engineer - in -Charge.

Removing excavated soil n.exe 50mm and depositing where directed at alevel n.exe 1.5m above the starting point complete all as spd and as directed by Engineer - in -Charge.

Demolition of brickwork built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed by Engineer-in-charge.

M&L for brickwork with sub class 'B' old size bricks, straight or curved on plan exceeding 6.00 mtr mean radius built in cement mortar 1:4 complete all as specified and directed by Engr-in-charge.

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

M & L Plain cement concrete 1:2:4 type B0 (using 12.5 mm graded stone aggregate) as in coping including necessary formwork, weathering, slightly rounded or chamfered andgles, finishing of exposed surfaces of concrete to even and smooth without using extra cement all as specified and directed by Engr-in-charge.

Demolition of reinforced cement concrete in ground flores, n.exe 15cm thickness ( below or above ground level) including removal of demolished material out side MD land complete all as specified and directed by Engr-in-charge.

M & L for Precast RCC 1:2:4 type B1 using 20 mm graded stone aggreagate as in cover slabs set in cement mortar 1:6 including all necessary form work . Exposed surfaces of concrete shall be finished even and smooth with out using extra cement all as specified and directed by Engr-in-charge.

M&L for TMT steel bars 8 mm dia cut to length, bent to shape required, including cranking, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia complete all as directed by Engineer-in-Charge.

Sub Total of Schedule 'A'

Schedule of Credit (Minus) Rs. 870.00 B/F from Ser page No. 24. NOTE: Bidder shall insert credit amount as rate Rs. 870.00 in Green field under Col-M. If bidder does not insert the amount the same will be deducted from total amount of Schedule 'A' and accordingly total amount of tender will be considered in deciding the lowest tender.

Sub Total of Schedule of Credit

K VENUGOPALA SWAMY

G V N R CONSTRUCTIONS