CLEANING OF CHOKED SEWAGE LINE MANHOLES, SEPTIC TANKS,SOKAGE PIT INCLUDING REPAIRS AT ZONE A AND ZONE B AREA AT PANGODE MIL STN UNDER GE(ARMY) TRIVANDRUM

Amount

Excavation in trenches not exc 1.5m wide and n.exc 1.5 m in depth for foundation, etc or for shafts, wells cesspits manholes, pier holes, etc not exceeding 10 Sqm in plan and n.exc 1.5 m in depth and getting out in hard/dense soil complete all as specified and directed.

Demolition and breaking up drain pipes (Salt glazed ware , AC or reinforced concrete, PVC ) set in cement mortar of 100/110mm dia pipe complete all as specified and directed.

All as per item No 2 here-in before but size 150/160mm

Taking down PVC pipes including all fittings are of cement or rubber gasket joint of size 75/80mm bore complete all as specified and directed.

All as per item No 4 here-in before but size 100/110mm

Material and labour for excavation over areas, n.exc 1.5 mtr deep and getting out in hard and dense soil complete all as specified and directed.

All as per item No 6 here-in before but exc 1.5 mtr and n.exc 3 mtr in depth

Material and labour for Plain cement concrete 1:4:8 type D2 (40 mm graded aggregate) as in foundation of manhole including necessary form work complete all as specified and directed.

Material and labour for demolition of brick/block masonry work built in cement mortar and removing the debris/rubbish to a distance n.exc 100m complete all as specified and directed.

Material and labour for pre-cast cement concrete block masonary type C1, 1:3:6 (using 20mm graded stone aggregate) with solid blocks exc. 10 cm in width and setting in CM 1:6 complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level complete all as specified and directed..

Material and labour for cement concrete 1:2:4 type B1 ( using 20 mm stone graded aggregate) in , copings, haunching and benching the like including weathering, slightly rounded or chamfered angles and throating and complete all as specified and directed.

Material and labour for precast cement concrete type B1 1:2:4 type B1 (20mm stone graded aggregate) as in Manhole / Gully trap cover slab including use and waste of necessary form work set in CM 1:4.etc complete all as specified and directed.

Supply and fix TMT bar 6 mm to 8 mm dia and over cut to length bent to shape required, including cranking, bending, spirally for hooping for column hooking ends and binding with and including mild steel steel wire (annealed ) not less than 0.90 mm dia or seccuring with clips quility confirming to Deformed or twisted bars complete all as specified and directed.

Material and labour for rendering 10 mm thick in cm 1:3 on brick or concrete surfaces finished even and smooth without using extra cement. By using WPC @ 3% by wt of cement complete all as specified and directed. Note- WPC will be paid and measured separately.

Supply only integral water proofing compound as per manufactures instruction

Material and labour for returning filling in including spreading leveling watering & well ramming in layers in hard/dense soil complete all as specified and directed.

Material and labour for removing excavated materials to a distance not exc 50m and depositing where directed at a level not exc 1.5m above the starting point as specified and directed

Supply and lay PVC(SWR) Pipe single sockted, in any length with rubber ring joints laid in trenches or in floors/ 110 mm dia bore of pipe incl fittings , ISI marked all as specified and directed

All as per items No-19 here-in-before but 160 mm dia of pipe.

Supply and fix PVC (SWR) Pipe single sockted, in any length with rubber ring joints and fixed to Walls 110 mm dia bore of pipe incl fittings , ISI marked all as specified and directed.

All as per items No-21 here-in-before but 75 mm dia of pipe.

M&L for Concrete bed for drain pipes 100/110 mm dia including forming cradles by using PCC (1:4:8) type D2 using 40 mm graded aggregate including packing under and haunching against the sides of pipe after they are laid and tested complete all as specified and directed.

All as per items No-23 here-in-before but 160 mm pipe.

Removing man hole cover including earth soil spread over the cover if any from the frame of septic tanks and receiving chambers remove all night soil, sediments waste materials from any size etc irrespective of its height clear off upto the bottom floor dispose off the materials out side of MD land from the septic tank to pit suitably excavated to contain night soil placing back the main hole cover to its orignal position and removing all vegetable roots if any and making good surrounds complete all as directed.

All as per item No-25 here-in-before but manhole of any size depth of manhole not exceeding 1.5 mtr.

All as per item No-26 here-in-before but manhole of any size, depth of manhole exceeding 1.5mtr and not exc 3.00 mtr

Cleaning of SGSW / PVC pipe sewage line 100 / 110 mm dia by manually using cleaning rod and removal of foreign material complete all as specified and directed.

All as per ser item No-28, here-in-before but bore of pipe 150 / 160 mm.

Cutting into existing manhole for connecting new drain, making good pipe and rending cutting out existing benching for and forming branch channel (1/2 round or 3/4 sec ) in cement concrete 1:2:4 type B1 smooth finished and reforming benching as required for 100/110 mm /160mm dia complete all as specified and directed.

Removal of sewage block in manhole gully trap or in WC kitchen and bath including necessary cleaning with cleaning rod and any other cleaning material required to remove block of any type as directed by the Engineer-in-Charge.

Material and labour for PVC (SWR) Gully trap 110 mm dia setting and jointing with solvent cement complete all as specified and directed.

S&F in repair PVC (SWR) bend 75 mm dia.

S&F in repair PVC (SWR) bend with access door 75 mm dia.

S&F in repair PVC (SWR) bend 110 mm dia.

S&F in repair PVC (SWR) bend with access door 110 mm dia.

S&F in repair PVC (SWR) 'Y' junction with 75 mm dia.

S&F in repair PVC (SWR) 'Y' junction with 110 mm dia.

S&F in repair PVC (SWR) junction single ( single T) equal or unequal 75mm dia

S&F in repair PVC (SWR) junction single ( single T) equal or unequal 100/110 mm dia

S&F in repair PVC (SWR) vent cowl 75 mm dia.

S&F in repair PVC (SWR) vent cowl 100/110 mm dia.

Supply and fix in repair PVC (SWR) floor trap with CP grating including jointing with solvent cement of 75 mm dia fixing with PCC 1:2:4 type B1 complete all as specified and directed.

Material and labour for Cutting holes into or through brick walls built in cement mortar or cement lime for fixing hold fast /pipe etc depth of cutting exceeding half brick work but not exceeding one brick work. complete all as specified and directed.

M&L 75 mm thick PCC 1:3:6 type C2, using 40 mm graded stone aggregate as in plinth protection/path finished even and smooth without using extra cement complete all as specified and directed.

Supply and fix in repairs On site LLDPE septic tank designed to carry sewage and sullage water excavation in any type of soil, PCC 1:4:8 below foundation, vent shaft, connection etc, complete for 25 user (Conventional) complete all as specified and directed.

Dismantling floor , hearth or wall tiling including cement mortar bedding ( but not backing ) removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for 15 mm thick screed bed in cm 1:6 for laying floor finishes all as specified.

M&L for non skid ceremic coloured tiles 7 to 8 mm thick (square/Rectangular ) area of each tiles exceeding 0.18 Sqm but not exceedng 0.38 sqm, in floors etc .set and jointed neat cement slurry and pointed with colour cement to match complete all as specified and directed.

Material and labour for Vitreous china squatting pan water closet, orissa pattern, size 580x440mm white with integral foot rests (excluding flushing cistern and flush pipe) including cast iron 'P' or 'S' trap, provn of lime concrete and jointing to flush pipe (fixed in repair), complete all as spfd and directed by Engr-in-charge.

Material and labour for demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for, complete all as specified and directed by Engr-in-charge.

Supply and fix in repair stack clamps 50mm by 5mm flat iron round including bolts and nuts for fixing of pipe any size dia upto 110mm and securing ends of stays to wall etc complete all as specified by Engr-in-charge.

Shilpa Engineers and Contractors

KEERTHI CONSTRUCTIONS

B.LAMBODHARAN

AKASH CONSTRUCTIONS