SPECIAL REPAIRS TO SEWAGE LINE IN TECHNICAL AREA AT CVRDE AVADI

Amount

Excavation in trenches in hard/dense soil not exc 1.5 mtr wide and not exceeding 1.5 mtr deep and getting out including forming bottom surfaces to required levels/slope for drain/ channel/ foundation complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches in hard/dense soil not exc 1.5 mtr wide and exceeding 1.5 mtr but not exceeding 3.0m deep and getting out including forming bottom surfaces to required levels/slope for drain/channel/foundation complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches in hard/dense soil not exc 1.5 mtr wide and exceeding 3.0 mtr but not exceeding 4.50m deep and getting out including forming bottom surfaces to required levels/slope for drain/channel/foundation complete all as specified and directed by Engineer-in-Charge.

M&L for cement concrete (1:4:8) type D2 using 40mm stone aggregate as in foundation filling and mass concrete complete all as specified and directed by Engineer-in-Charge.

Demolition and breaking up 150mm bore drain pipes (salt glazed ware, AC or RCC pipe) set in cement mortar including removing of debries from site complete all as specified and directed by Engineer-in-Charge.

Demolition and breaking up 200mm bore drain pipes (salt glazed ware, AC or RCC pipe) set in cement mortar including removing of debries from site complete all as specified and directed by Engineer-in-Charge.

M&L for Reinforced concrete hume pipes, class NP3, 150mm dia bore laid and jointed complete with collars and tested Complete all as specified and directed by Engineer-in-Charge.

M&L for Reinforced concrete hume pipes, class NP3, 200mm dia bore laid and jointed complete with collars and tested Complete all as specified and directed by Engineer-in-Charge.

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quions, arches, pillars etc, but excluding ashlar facings, dressed stonework and precast concrete articles including removing of debries from site complete all as specified and directed by Engineer-in-Charge.

M&L brick work using sub class 'B' bricks in CM 1:4 straight or curved on plan exc 6m means radius complete all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for including removing of debries from site complete all as specified and directed by Engineer-in-Charge.

M&L for PCC type B0 1:2:4 (12.5 mm graded stone aggregate) as in coping including necessary formwork complete all as specified and directed by Engineer-in-Charge.

Taking down cement or cement lime plaster on brick or stonee walls etc including raking out joints, hacking for keys, scrubbings down with water etc complete all as specified and directed by Engineer-in-Charge.

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

Extra for forming fair finished drain or channel 30/45 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped end etc all as specified and directed by Engineer-in-Charge.

M&L for Cement concrete Type B1 1:2:4 (20 mm graded aggregate) in surface channels of manholes and drains all as specified and directed by Engineer-in-Charge.

Returning filling in, approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed by Engr-in-charge.

Removing excavated material exc. 250m but n exc. 500 m and depositing where directed complete all as specified and as directed by Engr-in-charge.

M&L for Mild steel TMT bars 10mm dia and over,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 0.9mmdia or securing with clips quality conforming to IS complete all as specified and as directed by Engr-in-charge.

M&L precast reinfored cement concrete 1:2:4 using stone aggregate as in cover slab inluding necessary form work placed in position over manholes/drain set in cement mortar 1:4 complete all as specified and directed by Engineer-in-Charge.

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 for 150mm dia bore pipes complete all as specified and as directed by Engr-in-charge.

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 for 200 mm dia bore pipescomplete all as specified and as directed by Engr-in-charge. Note for Item No. 21 and 22: The quoted rate includes for working in foul condition.

M&L for broken stone Hardcore of gauge n.exc 63mm, deposited, spread and levelled in layers n.exc 15cm thick, watered and rammed to a true surface complete all as specified and as directed by Engr-in-charge.

M&L for cement concrete (1:4:8) type D2 using 40mm stone aggregate as in sub base,150mm thick including use and waste of form work complete all as specified and directed by Engineer-in-Charge.

M&L for PCC 1:2:4 (using 40mm graded stone aggregates) as in paving / hardstanding / road cutting, 150mm thick including necessary use and waste of form work and finish surfaces with spike rolling to surfaces or making impression of expanded metal whilst concrete is in green positionall as specified and as directed.

M&L preparation of new plastered surfaces of wall and applying three coat of white wash on complete all as specified and as directed by Engr-in-charge.

NAVANEETHA KANNAN M

M/s GM Constructions