8556 REPAIR TO FOOT PATHS, HARD STANDING, CLEANING OF SEWAGE LINES, SEPTIC TANKS AND MAN HOLES AND ITS CONNECTED WORKS AT DRDL KALINGA NSTL VISAKHAPATNAM

Amount

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quions, arches, pillars etc but excluding ashlar facings dressed stone work and precast concrete articles.

M & L for walling of random rubble, uncoursed, well bonded, laid dry in retaining walls, abutments and similar work all as directed.

M & L for walling of random rubble, uncoursed as built in cement mortar 1:6 with stone all as directed.

M & L for walling of random rubble, uncoursed as built in cement mortar 1:6 but except stone all as directed.

M&L Boulder pitching laid dry and grouted with cement and sand mortar 1:6 complete all as specified and as directed

All as per item No 05 above but except boulders

Raking out joints/ pointing to Keyed pointing to random or polygonal rubble, uncoursed or brought upto course all as directed.

M & L for Keyed pointing to random or polygonal rubble, uncoursed or brought upto course all as directed.

Demolition of cement concrete etc in any description/any location not exceeding 15 cm thickness.

Removing of vegetation / plantation on the wall/ roof/ any position of up to five storey building including necessary scaffolding upto 15 m height and roots superfacial area n.exc 2 sqm each and making good of surface by applying chemical treatment with GLYPHOSATE 41% including removing /refixing of CI/GI pipe lines complete all as specified and directed by Engineer-in-Charge. Note : Brick work, plaster and CI/GI pipe lines shall be measured and paid separately.

Dismantling of stone slab or tiles of any description in floors, aprons etc., laid bedded and pointed in any mortar all as specified and directed.

M&L chequered cement concrete tiles 30cmx 30cmx25mm thick with grey cement and pigments, set, jointed and pointed in neat cement slurry in floors over screed bed or bedding layer of mortar 15mm thick for laying floor finishes in CM 1:4 as specified and directed.

Supply and laying 60mm thick Machine Pressed Precast Concrete M-35 Grade, Interlocking Paver Blocks, PVC mould reflective type conforming to IS - 15658 of any shape and size with Grey cement and pigment complete laid all as specified and as directed.

All as per item No 13 above but except 60mm thick Machine Pressed Precast Concrete tile

M&L sand filling under floors or in foundation including watering & consolidation

M&L 75 mm thick cement concrete type D2 1:4:8(using 40 mm graded aggregate) in sub base complete all as specified and as directed

M&L for cement concrete type B-0, 1:2:4 (12.5mm graded aggregate) 25mm thick finished fair & even w/o using extra cement

M&L for PCC 100mm thick type B1 (1:2:4) using 20mm graded stone aggregate as in flooring/ path laid in alternative bays finished even and smooth without using extra cement, filling joints with grade A sealing compound all as specified and as directed by the Engineer-in-Charge.

M&L for complete removal of existing treatment on external surfaces of walls applying two coats of weather proof exterior emulsion over a coat of exterior primer complete all as specified.[Make of Exterior emulsion: 'Weather Shield Powerflexx' of M/s ICI Dulux/ 'Apex Ultima' of M/s Asian Paints/ 'WeatherCoat Long Life' of M/s Berger Paints]

M & L for remove all loose gravel cement mortar, loose cement concrete , dirt, oil, grease and foreign material by jet of dry air and clean the surface mechanically or by grinding to make it smooth before application. Repair all cracks by cutting “V” groove and fill with PMC mortar prepared in the ratio of ShaliCrete : Cement : Sand (1 : 2 : 5). Ensure gradient of 1 : 100 towards drain by laying cement concrete type B0 1:2:4 admixed with integral waterproofing compound, ShaliPlast LW+ @ 200 ml / bag of cement or equivalent . Ensure that there is no standing water on the applicable surface. Stir ShaliUrethane® BTD or equivalent by a slow speed mixture fitted with a suitable mixing paddle to ensure a homogenous mix. (Mixing of Water is totaly prohibited ). After stirring, wait for the product to settle in order to let entrapped air escape. Slightly damp the surface. Avoid standing water / ponding. Prime the surface using ShaliPrime BTD @ 400 grm / Sqm. Allow the primer to touch dry condition. Apply 1st coat of ShaliUrethane® BTD confirm to ASTM C 836 and ASTM D 6083 @ 1 Kg / Sqm by brush / roller while the primed surface is tacky. Spread non-woven geo-textile of 45 gsm with overlaps of 50 mm in both directions when the surface is still tacky.Allow 1st coat to dry for 10 – 12 hr. Apply 2nd coat of ShaliUrethane® BTD @ 1 kg / Sqm by brush / roller for final dry floor thickness 1.5mm in two coats . Ensure final curing time of 36 hrs before allowing / carrying out any further work. Extend waterproofing treatment up to 200 mm and terminate into groove on the parapet wall. Fill the groove with PMC mortar with ShaliSBR Latex. Note : Application of water proofing treatment will be done by Authorised Applicator only . Note :Rate for removal of debries obtained from the work to be disposed a distance not less than 2Km incl in the rate quaoted by the contractor.

M&L for rendering 15 mm thick in CM 1:4 on fair face of brick work or on concrete surfaces finished even and smooth without using extra cement complete all as specified and as directed

M & L preparation of old painted steel surfaces of any description and in any situation over 10 cm width or grith and applying two coat of synathetic enamel paint ovear a coat of redoxide primer complete all as specified.

M & L for repairs and servicing of rolling shutters and removing of worn out components wherever required such as hood covers, laths, ball bearings, helical wire springs, lock plates, bracket plate, shaft pipe and straightening of existing guide channels, gear boxes, laths, hood cover at required places including greasing and welding and refixing in the same opening for smooth functioning and making good the disturbed surfaces of walls to match with existing complete all as directed by the Engineer-in-Charge (NOTE: (i) Quoted rate is inclusive for replacement all minor spare parts as required and supply of major spare part such as MS Spring, ball bearings, laths, shaft pipe, gear set required for replacement will be measured and paid separately under relevant items

S&F MS spring for rolling shutter fo any size or any lenght completer all as specified and directed.

S&F ball bearing of for rolling shutter completer all as specified and directed.

S&F gear set for rolling shutter completer all as specified and directed.

M&L in repair of rolling shutter shaft assembly including all necessary fittings

S&F mortise lock steel 6 lever chromium plated with double handles for single shutter to match with existing one and fixed to true position in repairs. Make : Godrej , Universal

M & L in repair 3.3 mm thick inoleum, plain coloured, laid sealed down with an approved adhesive in floors including stretching, cutting and fitting complete all as specified and as directed by Engineer in Charge,

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and n. exc. 1.5m in depth and getting out in hard/ dense soil all as specified.

Excavating in trenches n. exc. 1.5m wide and depth exc. 1.5m but n.exc. 3.00m for foundation etc. or for shafts, wells, cesspits, manholes, pier holes etc. n. exc. 10sq.m. on plan and getting out in hard/ dense soil all as specified.

Removing excavated materials to a distance not exc. 50m and depositing where directed at a level n.exc 1.50m above the starting point all as specified.

Returning, filling in including spreading leveling watering and well ramming in layers not exc. 25cm in any type of soil all as specified.

Demolition of PCC of any description in any position

M&L for plain cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) as in channel benching concrete etc. all as specified and as directed.

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) of any description and in any position not otherwise specifically provided for all as specified.

M&L Providing precast cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces set in cement mortar 1:4 complete all as specified and as directed. [Note: Reinforcement shall be measured and paid separately under relevant item of this BOQ]

S&F high strength deformed TMT steel 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 0.9mm dia all as specified and as directed.

S&F high strength deformed TMT steel bars 6 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 all as specified and as directed.

M&L for concrete bed to drain pipes of 150mm bore dia including packing under, and haunching against the sides of pipes after they are laid and tested; in cement concrete 1:3:6, type C2 all as specified.

S&F UPVC Soil, Waste pipes Type 'B' conforming to IS 13592-1992, 150mm internal dia single socketed in any length with rubber ring joints laid in trenches/ floors complete including taking up existing unserviceable drain pipes all as specified and as directed

Removing carefully cover slab of manholes of any size, depth n.exc. 1.0m and removing the scum/ sludge including any organic or inorganic matter, washing down with water for smooth functioning of sewage line, removing the sludge obtained from cleaning to a distance not exceeding 50 mtr and buried in ground to a depth not less than 1 metre, and setting the man hole covers in position after inspection etc. all as directed

All as per Item No. 42 herein before but manhole of depth exc. 1.0m but n.exc. 2.0m

Taking out carefully precast RCC cover slabs of septic tank/ filter bed of any capacity, taking out scum/ sludge including liquid using mobile tanker equipped with sludge pump etc. and depositing off at places earmarked by GVMC authorities outside MD land, cleaning the tank with water, bleaching powder etc. clearing the bushes, vegetation etc. up to a distance of 2 mtr from outer edge all around the septic tank, including placing in position and setting the cover slabs with cement sand mortar (1:6) after inspection etc. complete all as directed.

Clearing out blockage from WC up to manhole with cleaning rod including removing all materials from P trap of WC and disposing off complete all as directed.

Clearing out blockage from Floor trap/ Nahani trap up to manhole with cleaning rod including removing all materials from the trap and disposing off complete including removing and refixing the grating all as directed.

Cleaning of blockage existing sewage lines of 100mm to 150mm dia by rodding from one manhole to next manhole and washing with fresh water including removing all sludge from the sewage lines and disposed off properly outside the MD land complete all as directed.

Cleaning of blockage existing sewage lines of 200mm to 300mm dia by rodding from one manhole to next manhole and washing with fresh water including removing all sludge from the sewage lines and disposed off properly outside the MD land complete all as directed.

B SRINIVAS (BID ID -3102028)

Sai Srija Constructions (BID ID -3123265)

GOLLAPALLI APPA RAO (BID ID -3122241)

M/S SURENDRA ENGINEERING WORKS (BID ID -3122670)

SRIVALLI ENGINEERS (BID ID -3118338)

SAMPATH ELECTRICAL SERVICES (BID ID -3123357)

LAKSHMI SAI CONSTRUCTIONS (BID ID -3123793)