Sewage And Infrastructure Development Corporation Of Goa Limited Tender

200 mm

Conducting SUE Survey in a corridor of 4-6 meter width to detect buried utilities like pipes, cables etc. in such corridor. Marking of the detected utilities on the map of corridor with information of locations and depths to the top of various utilities detected. Onsite detection to be conducted using minimum tools of Electronic Pipe Locator (EPL) and Ground Penetrating Radar (GPR). GPR work to be conducted using 500MHz and 300MHz antenna for best possible resolution and penetration. The specifications are SUE survey should be in accordance with 'Code of Practice for Subsurface Utility Engineering Suiting Indian Conditions - Guidelines & Specifications for Detection , Verification & Depiction of Existing. Along the road, 6m wide corridor

Conducting Seismic Refraction Survey or Multi Channel Analysis of Surface Waves (MASW) survey to determine stratigraphy along proposed route i.e. soil, weathered rock, rock interfaces. Detection of faults, fractures, shear zones etc., in the investigated area. For Seismic Refraction Geophone spacing Sm and for MASW geophone spacing of 2m is adequate. Test to be conducted using 24 channel signal enhancement type seismograph. Seismic Refraction 5m Geophone Spacing & for projects having a minimum length of 115 or MASW with 2m geophone spacing

Conducting Electrical Tomography to determine shallow stratigarphy along the route, presence of voids, saturation zones, water table, and other geological features having contrast in resistivity with the surrounding soils. Electrode spacing 5 meters , minimum electrode spread of 60 electrodes. Sm Electrode Spacing & for projects having a minimum length of 300 m

Excavation of non-structural pits for pipe jacking/ramming purpose in soil inclusive of all shuttering, strutting, and shoring and maintaining the shaft during construction operation and backfilling the same after the completion of work.

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil mixed with soft rock

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil mixed with hard rock

Excavation of non-structural pits for pipe jacking/ramming purpose in soil inclusive of all shuttering, strutting, and shoring and maintaining the shaft during construction operation and backfilling the same after the completion of work.

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil

For Shafts of 7.5mX5m upto a depth of 5m in all type of soil mixed with soft rock

Closed planking in trenches including strutting and shoring packing cavaties (wherever required) complete for sewerage works in saturated soil strata. for works of depth of upto 4.5 m

Refilling the pipeline/foundation trenches plinth sides,foundation etc with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 m and all lifts and disposal of surplus earth directed by Engineer-in-charge.

Sewer Line Installation and Pressure Pipe Installation of HDPE product pipe by HDD method for on grade gravity sewer including preparing and setting up the plant and equipment, preparing new pipe-work material, making of entry & exit pits upto 3 meter depth, installing new pipe-work and commissioning system or making the system ready for commissioning by HDD operating including, all related civil and mechanical works like excavation, shoring/ strutting, etc. drilling, stringing, reaming, and pulling back the new pipe-work on the designed bore path alignment, proper disposal of drilling fluid and back fill of site after completion all inclusive as per lndSTT:101-2018: Code of Practice for Horizontal Directional Drilling Technique Suiting Indian Conditions.

All Types of Soil - 200 mm

Mixed Strata - 200 mm

Rocks - 200 mm

Cutting the bituminous road for laying the pipeline in trenches for a width of 0.6m including labour , tools etc, and disposing the excavated excess material from the trench to a distance of 1000 meters, including making level the trench surface by utilising the serviciable material to the level of the top surface of road, by compacting, watering ramming with rolling with road roller after completion of laying of pipe and refilling the trenches etc. complete as per the direction of engineer incharge.

Construction of Composite type Manholes of various diameters and depth , as per the detailed specification of items of work annexed

i) 1200mm dia x upto 2000mm depth

ii) 1200mm dia x 2000 to 2300mm depth

iv)1500mm dia x 2500 to 3000mm depth

vi) 1500mm dia x 3500 to 4000mm depth

vii) 1500mm dia x 4000 to 4500mm depth

Providing 2mm thick M.S clamp welded with ISA 50x50x6mm at ends including appliation of bonding solution such as SR solvent of fevicol or Dr fixit or any other equivalent product including fixing with necessary nut, bolt and applying a coat of red oxide etc. Complete as per directed by Engineer -in-charge. 200 mm dia

Providing and laying in position cement concrete below foundation M15(1:2:4) (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering, shuttering and finishing :

supplying of laterite stone soling of size 150-200 mm and murum having P.I value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering & consolidation of binding material etc (measurements shall be considered on finished item)

Providing and laying 50mm(consolidated thickness)full grout using granitic or basaltic stone of specified grading at 6.00 cu.m per 100 sq m grouting with hot bitumen straight run bitumenfor with such bituminous material of grade and type as specified by the Engineer-in-charge at 5.0 kg per sq.m binding with key aggregate of granitic or basaltic stone of specified grading at 1.5 cu.m per 100 sq.m including providing and laying seal coat sealing the voids in a bituminious surface laid with F.E loader with 1 cu.m bucket capacity to the specified levels,grade and cross fall using type A seal coat with 0.98 kg/sqm of bitumen of grade as per MoRT&H specifications clause 513

Providing and applying tack coat with bitumen grade of 80/100 or bitumen emulsion using pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom as per MoRT&H specifications clause 503. Bitumen 80/100 @ 0.20 kg/sq.m

Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per MORT& H Specifications,Fifth Edition. for GradingII(19 mm nominal size)

Providing and laying in position cement concrete below foundation M15(1:2:4) (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering, shuttering and finishing : For repairing damaged drains

Centering & shuttering including Strutting, Propping & removal of forms for vertical surfaces such as walls

Providing,Laying and jointing of unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34) including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) in all types of soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km and Refilling the pipeline trenches with available earth and disposal of surplus earth as directed by the Engineer in charge including excavation, cutting and reinstating of road and storm water drain, encasing with PCC 1:2:4 as per IS:4127 refilling, rubble packing and reinstatement with full grout after completion of work in different areas. a)160mm OD

Providing,Laying and jointing of unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34) including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) in all types of soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km including Bed Concrete 1:2:4 (1 cement: 2 Coarse sand : 4 graded granitic and basaltic stone aggregate 20 mm noninal size) including Rubble packing and Refilling the pipeline trenches with available excavated earth inlayers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 5 kms and all lifts and disposal of surplus earth as directed by the Engineer in charge. a)160mm OD (inside)

Construction of manhole rectangular in shape including cement concrete 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size) foundation thickness of concrete 20cms and offset 10cms on both sides and first class brick work with bricks class designation 100kg/cm2 in cement mortar 1:3 (1 cement : 3 coarse sand) 23cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c / c in 20x 20x15cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished complete as per standard design including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km. and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge. Inside size 0.90 x 0.60m and 1.00m deep (with precast RCC slab covers of concrete grade M25 30T capacity of size 0.90x 0.60m fixing with cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.) including Supplying & fixing of S.W. intercepting trap of 6" dia inside the inspection chamber with Making connection of drain or sewer line with existing manhole including breaking and making good the walls, floors with cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20mm nominal size) 12mm thick cement plaster on both sides with cement mortar 1:3 (1 cement:3 coarse sand) finished with a floating coat of neat cement and making necessary channels for drains etc. for connecting to HSC manhole including rubble packing etc. complete.all lifts and disposal of surplus earth as directed by the Engineer in charge. Inside size 0.90 x 0.60m and 1.00m deep (with precast RCC slab covers of concrete grade M25 12T capacity & frame of size 0.90x0.60 including fixing with cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.) including Supplying & fixing of S.W. intercepting trap of 6" dia inside the inspection chamber with Making connection of drain or sewer line with existing manhole including breaking and making good the walls, floors with cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20mm nominal size) 12mm thick cement plaster on both sides with cement mortar 1:3 (1 cement:3 coarse sand) finished with a floating coat of neat cement and making necessary channels for drains etc. for connecting to HSC manhole including rubble packing etc.

Construction of manhole rectangular in shape including cement concrete 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size) foundation thickness of concrete 20cms and offset 10cms on both sides and first class brick work with bricks class designation 100kg/cm2 in cement mortar 1:3 (1 cement : 3 coarse sand) 23cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c / c in 20x 20x10cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 (1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished complete as per standard design. Inside size 0.60x0.60m and 0.60m deep (with precast RCC slab covers of concrete grade M25 12T capacity & frame of size 0.60x 0.60m) including fixing with cement concrete 1:2:4 ( 1 cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km. and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge including rubble packing etc complete.

Extra/Additional depth of above square/ rectangular manholes at above item no in fractions with 100kg/cm2 brickwork in cement morter 1:3 (1cement:3coarse sand) 23cm thick including providing and fixing CI footrests not weighing less than 5.30kgs incl. fixing in manholes @ 30cmc/c staggered in 20x20x10cm cement concrete blocks 1:3:6(1cement:3coarse sand :6graded stone aggregate 20mm nominal size) 12mm thick plaster inside and outside with cement morter 1:3 (1cement :3coarse sand)including adding water proofing compound of approved brand with a floating coat of neat cement for 0.60 x 0.60m Manholes. including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km.and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5kM and all lifts and disposal of surplus earth as directed by the Engineer in charge. .

Dismantling of Chequered tiles flooring including PCC bed and reinstating with Chequered tile Flooring Wherever required in side apartment premises and house premises as required for providing House sewer connections including rubble packing , cement concrete 1:2:4 & disposal of surplus material to lead upto 5km

Construction of manhole conical in shape including cement concrete 1:2:4 ( 1 cement:2coarse sand:4 graded stone aggregate 20mm nominal size) foundation thickness of concrete 25cms and offset 15cms on both sides and first class brick work with bricks class designation 100kg/cm2 in cement mortar 1:3 (1 cement : 3 coarse sand) 35cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c/c in 20 x 20 x 15cm cement concrete block 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 ( 1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished including providing and fixing manhole cover and frame in cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) complete as per standard design. ii)1.20m dia,(a) 1.50m deep. With 500mm dia D.I. heavy duty class C-250 circular cover with square frame weighing not less than 65 kgs.including Cutting the bituminous road and reinstatement of the same including rubble packing and Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km.and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5kM and all lifts and disposal of surplus earth and with reinstatement of road as directed by the Engineer in charge

Add extra for conical brick masonry manhole for fractional depth of each one centimeter or part thereof for b)1.20m dia. .including Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km.and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge

Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50m lead.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Centering and shuttering including strutting, propping etc. and removal of formwork for: a) Foundations footings, bases for columns and mass concrete.

Providing and laying cement concrete 1:2:4(1 cement:2 coarse sand:4 graded granitic a basaltic stone aggregate 20mm nominal size) excluding cost of centering, shuttering and finishing in: a) All work upto plinth level

As per Circular No.3-3-05/SSW-PWD/Vol-I/2022-23/391 Dt.13/03/2023 for Adoption of percentage increase in rates for working under unhygenic conditions