REPAIRS / MAINTENANCE /CLEANING OF SEPTIC TANK, MANHOLES, SEWAGE LINES, GULLY TRAPS INCLUDING REPAIRS TO MANHOLES, COVER SLABS, PAVER BLOCK, DRAIN, STONE/ BLOCK MASONRY AT NAD, VAJRAKOSH, NCHC AMADALLI AND NK BAIL AT NAVAL BASE KARWAR

Amount

Demolition of stone/ boulder masonry,Block masonry built in cement mortar including all quoins, arches, pillars etc, but excluding ashlars facings, dressed stonework and precast concrete articles etc all as specified and directed.

M&L for providing precast cement concrete block masonary with solid blocks exc 10cm width, type C-1, using 20mm graded stone aggregate and set in cement mortar (1:6) complete all as specified and directed.

Description all as per item No.02 herein before but except precast blocks i.e using serviceable precast blocks obtained from item No 02 hereinbefore all as specified and directed.

M&L for walling of random rubble, masonary uncoursed, well bonded, bedded and solidly hearted built in cement mortar 1: 6 all as specified and directed.

Description all as per item No.04 herein before but except stone i.e using serviceable stone obtained from item No 04 here in before all as specified and directed

M&L for Flush pointing to block in course or ashlar masonry on concrete block walling in CM 1:4 complete all specified and directed.

M&L for Raised pointing to Random or polygonal rubble uncoursed or brought up to courses in CM 1:4 complete all as specified.

M&L for PCC (1:2:4) type-B1 using 20 mm graded stone aggregate as in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs etc complete all as specified and directed.

Cleaning of septic tanks by bailing out/removing the solid / semi solid / liquid sludge in foul condition in closed containers and removing/disposing the waste out side the MD land including refixing the cover properly after washing the entire septic tank with clean water all as directed. Note : (i) The unit rate quoted shall be deemed to include for cleaning of shrubs, bushes, vegetation around 2.5m of septic tank all as specified & directed. (ii) Quantity of sludge will be measured for payment purpose only. Cost of dewatering of sewage/waste water from septic tank and removal of the same shall be deemed to be included in this item and nothing extra shall be admissible on this account.

M&L for removal of blockage and cleaning of manholes of size 800mm x 800mm and upto a depth of 1m by removing sludge/liquid foul/waste etc complete and ensuring smooth flow of sewage including sprinkling of bleaching powder after cleaning of entire manholes with clean water and disposing the waste out side defence land land all as specified & directed.

Description all as per item No.10 herein before but manhole of size 900mm X 1200mm and depth of manhole exc.1m and n.exc.2m complete all as specified and directed.

Description all as per item No.10 herein before but manhole of size 1400mm dia and depth of manhole exc.2m and n.exc.3m complete all as specified and directed.

Description all as per item No. 10 herein before but manhole of size 1400mm dia and depth of manhole exc 3m and n.exc. 4m

M&L for removal of blockage and cleaning of sewage lines of 100mm bore by roding or by mechanical means from manholes to manholes or manholes to cleaning eyes/access door, taking out all debris, sludges and solid materials from sewage lines and removing out side MD land and well flushing with water complete all as specified & directed.

Description all as per item No.14 herein before but 150mm bore complete all as specified and directed.

Description all as per item No.14 herein before but 200mm bore complete all as specified and directed.

Description all as per item No.14 herein before but 400mm bore complete all as specified and directed.

M&L for removal of blockage/waste and cleaning gully traps and Nahani traps of any description and size for smooth flow all as directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for for taking up/aying sewer line and getting out in Hard /Dense soil all as specified and directed.

Description all as per item No.19 above but exceeding 1.5m and not exceeding 3.0m deep complete all as specified and directed.

Excavation over areas not exceeding 1.5m in depth and getting out in hard/dense soil complete all as specified and directed.

Returning, filling in soil including spreading, levelling, watering and well ramming in layers n.exc. 25cm thick all as specified & directed.

Removing of excavated soil to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above starting point complete all as specified and directed.

Demolition and breaking up drain pipes 100mm dia( Salt Glazed stoneware, reinforced concrete) set in cement mortar including PCC bed and haunching and removal of debris outside the MD land complete all as specified & directed.

Description all as per item No. 24 here-in-before but 150/160 mm dia complete all as specified and directed..

Description all as per item No. 25 here-in-before but 180/250 mm dia. NOTE: for item no 24 to 26: Excavation and earth work will be measured and paid seperately

M&L for DWCPE (SN8) 180 (OD)/163(ID) mm diameter Pipes laid on 150 mm thick bed 0.70 to 1.65Rm length with excavation in any type of soil, including manholes/drop manhole of standard size made of Brick masonry/ RCC/Precast RCC with SFRC ventilating cover and frame. Includes all items and activities to execute and make sewer line functional.

M&L for Salt Glazed Stoneware pipes grade 'A',100mm bore, laid in trenches and jointed and testing complete all as specified and directed.

Description all as per item No. 28 herein before but 150mm bore. complete all as specified and directed.

M&L for 250mm bore reinforced concrete pipes, class NP2, laid and jointed complete with collars and testing complete all as specified and directed.

M&L for PCC 1:3:6 type C2 (using 40mm graded stone aggregate) for bed to drain pipe 100mm bore including packing under and haunching against the sides of pipes after they are laid and tested all as specified and directed.

Description all as per item No. 31 herein before but bed to 150mm bore complete all as specified and directed.

Description all as per item No. 31 herein before but bed to 250mm bore complete all as specified and directed..

Taking down eaves gutters and rain water pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories)

S&F 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified and directed.

S&F 110mm dia bore PVC bends complete all as specified and directed.

Dismantling of 100 mm bore cast iron or reinforced concrete drain pipes, jointed in cement mortar and taking out all as specified by Engg In charge

S&F Cast iron soil, waste and vent sand cast pipes, 100mm dia bore, in any length with or without ears with cement joints, fixed to walls complete all as specified and directed.

S&F Cast iron bends 100mm dia bore (any radius), diminishing pieces or tapers (larger bore measured) complete all as specified and directed.

S&F in repair for 75mm dia cast iron Nahani trap with grating including jointing to waste pipe fixed in cement concrete type B1 (1:2:4) complete and as directed.

S&F in repairs 75mm dia PVC (SWR) floor trap, plain with grating including jointing with solvent cement all as specified and directed.

S&F in repair PVC (SWR) gully trap 125/110 mm, setting and jointing with solvent cement joints all as specified

Dismantling posts or struts including GI barbed wire (wood,steel or RCC) from concrete/masonry any section including taking out embedded portion and making good distrubed area complete all as specified and directed.

Excavation in post holes (or similar holes) in soft/loose soil each not exc 0.50 Cum and getting out returning, filling in and ramming earth around, in layers n exc 25 cm, watering and removing surplus soil to a distance not exc 50 Mtr and making good surfaces complete all as directed.

M&L for PCC (1:4:8) type-D2 using 40 mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and directed.

M&L Providing precast cement concrete type B1 1:2:4 in window or door cills, lintels, bressumers, steps, quoin blocks (for use with ma sonry), string courses, copings. kneelers, apex stones, pier caps, columns, posts, boundary pillars, bed plates, pintle blocks, ancho-rage blocks, bonders (for stone walling). corbels, brackets, etc. (of any section indicated), with plain fair faces, including chamfers, weatherings, throat- ing etc. and setting in mortar complete all as specified and directed.

Dismantling of wrought iron or mild steel work of any description all as specified and directed.

S&F mild steel framed work such as grills, gratings etc with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe 410-W (Gde E-250) quality all as specifed and directed.

M&L for mild steel Hand rails, half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embedding in concrete and screwing etc. wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe 165 (Fe-290) complete all as specified and directed.

Mild steel screw bolt (machine made 11 to 15mm dia of shank with hexagonal or square heads at one end and screwed the other or screwed both ends each screwed and to fitted with washers and one hexagonal or square nut length of bolt n.exc 5cm long and dia of shank 5 to 10mm. allas specified and directed

M&L for two coats of synthetic enamel paint over a coat of red oxide primer including preparation of new steel surfaces of any description exceeding 10cm width or girth complete all as specified & directed.

S&F in repair galvanized 2 strand steel barbed wire 2.24 mm dia barbed with 2mm dia barbs at 75 mm spacing and straining and fixed to any type of standard rail straining bolts, including securing or tying at crossing with and provision of galvanized mild steel wire, staple or steel pins etc complete all as specified and directed. (Each line wire to be measured)

Restraining, resecuring including making good staples to galvanised 2 strand steel barbed wire any dia barbed with 2mm dia barbs at 75mm spacing and in any position etc complete all as specified and directed.

S & F punched tape 0.5mm thick & 600 mm dia concertina coil, 125 to 127 clips per 6m length and 01 RM cocertina coil using 10 to 15 RM single wire etc including dismentling & removing of existing coil complete all as specified and directed.

Taking down of cement plaster from wall surface of any discription including raking out joints, hacking for key, scrubbing down with water etc complete all as specified & directed.

M&L rendering 15mm thick in cement mortar (1:4) on fair faces of brick work or conrete surfaces finshing the surface even & smooth without using extra cement all as specified and directed.

M&L for preparation of new plastered surface of walls and applying 3 coats of white wash all as specified and directed.

Demolition of RCC of any description and any position not otherwise specified and removing debris outside MD land.

M&L for pre-cast reinforced cement concrete 1:2:4, type B­1 (using 20 mm graded stone aggregate ) as in cover slabs (for manholes etc) shelves and similar articles with plain faces and set in cement mortar 1:6 including necessary form work complete all as specified and directed.

S&F mild steel TMT bars 10mm dia and over cut to length, bent to shape required, including cranking, bending etc TMT bars complete all as specified and directed.

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness, including ridges, hips, valleys and flashings all as specified and directed.

S&F pre- painted Galvalume Aluminium Zinc coating GI based corrugated steel sheets 0.5 mm thick of any colour having tensile strength 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

S&F pre- painted Galvalume Aluminium Zinc coating GI based plain steel sheets 0.5 mm thick of any colour having tensile strength 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

M/L for steel work rectangular/ tubular trusses as in purlins etc including special shaped washers etc complete using ERW or induction butt welded tubes conforming to IS specifications all as specified.

Fixing only in repair chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and directed. Note : Chain link mesh will be measured and paid seperately.

Supply only chain link MS galvanized fencing of any mesh size and type all as specified and directed Note. Fixing shall be measured and paid separately.

Demolition of stone slabs and tiles of any description any thickness laid and bedded in any mortar all as specified and directed by Engg In Charge

Demolition of plain cement concrete of any description and in any position not otherwise specifically provided for and removing all the rubbish all as specified and directed

M&L for PCC 1:4:8 type D2 using 40mm graded stone aggregate etc 100mm thick as in sub base for floors, hard standings etc all as specified and directed.

M&L for sand filling under floors including watering and consolidation

M&L for machine pressed precast concrete interlocking paver block any shape and size conforming to IS 15658-2006 of 60mm thickness ,M35 Grade

M&L for providing cement concrete Type B1 (1:2:4 20mm graded aggregate)as in kerbs or mud stops

M&L for PCC 1:3:6 type C-2 ( 40mm graded stone agg) 75mm thick in plinth protection laid in alternate bay all as specified and directed

M&L for 75 mm thick cement concrete 1:4:8 Type D2 using 40mm graded aggregate as in subbase complete all as specified.

M&L Chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed and pointed in floors with grey cement and pigment over 15mm thick screed in CM 1:6 complete all as specified and directed.

M & L plain cement concrete type B2 1:2:4 40mm graded aggregates in surface channels and drains all as specified and directed.

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

All as per item no 77 above but add or deduct for each 25 mm girth or part there of over or under 30cm.

S&F 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 10 Users complete all as specified and directed by Engineer-in-charge.

SIRI SALES AND SERVICES (BID ID -3285157)

Ms V. S. NAYAK (BID ID -3285925)

ABDUL RAHIM (BID ID -3285878)