Sewage And Infrastructure Development Corporation Of Goa Limited Tender

250 mm

Conducting ground penetrating radar survey in corridor of 4-6 meter width to deduct buried untilities like pipes,cables etc. in such corridor with information of locations & depth to the top of various untilities detected. Work to be conducted using 500 MHz & 300 MHz antenna for best possible resolution & penetration. along the 6 mt wide road corridor

Conducting Sesmic Refraction Survey to determine stratigraphy along proposed route i.e. soil wethered rock, rock interfaces. Detection of faults ,fractures ,shears zones etc.,in the investigated area.Geophone spacing 5m, test to be conducted using 24 channel signal enhancement type seismograph 5m Geophone Spacing & for projects having minimum length of 115m

Conducting Electrical Tomography tp determine shallow stratigraphy along the route, presence of voids, saturation zones , water table & other geogical features having contrast in resistivity with the surrounding soils. Electrode spacing 5 meters , minimum electrode spread of 60electodes 5m. Electrode spacing & for projects having a minimum length of 300m

Earthwork in excavation by manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed as directed

i) ordinary soil between 0 to 1.5 mt

ii) ordinary soil between 1.5 to 3.0 mt

i) All types of ordinary rock including all types of laterite rock, blasting prohibited between 0 to 1.5 mt

ii) All types of ordinary rock including all types of laterite rock, blasting prohibited between 1.5 to 3.0 mt

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 1.5 m

for works of depth of upto 3.0 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

Dewatering the trenches and bailing out water including removal of slush, mud etc. for any depth and disposal of pumped mud, water, slush to suitable point not forming circuit of return of pumped water to the very trench, by employing diesel generated pump.

Installation of HDPE product pipe by HDD method including preparing & setting up the plant & equipment preparing new pipe work material, installing new pipe work & commissioning by HDD operation including all related civil & mechanical works like excavation ,shoring strutting etc. drilling,stringing, reaming & pulling back the new pipe work on the designed bore path alignment by using approved guidence system, proper disposal of drilling fluid & restoration of site including backfilling of excavation & holes by approved material to 95% of original density after completion all inclusive as per indSTT:101-2007 : code of practice for Horizontal Directional Drilling technique suiting indian conditions.

(i) All types of Soil(Except Mixed strata & rocks) - 250 mm

(ii) Other types of Soil / Mixed Strata - 250 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. By manual means. District Road, State highways, National highway and roads of similar standards.

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

i) 1200mm dia x upto 2000mm depth

i) 1200mm dia x 2000mm to 2300mm depth

iv) 1500mm dia x 2500 to 3000mm 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.

i) 250 mm

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 :

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

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying true to line and level and perfect linking for joints for P.V.C / H.D.P.E complete in all respects as per the direction of the engineer in-charge. 250mm OD

Providing and laying cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 grade granite or basaltic stone 20mm nominal size) including centering shuttering and form work for encasing around S.W. pipes including bed concrete as per standard design in I S:4127. 250mmdia S W Pipes

Transportation and Carriage of Material by tipper truck including loading, unloading & stacking upto 5 km. a) Lime, building rubbish manure, sluidge murrum excavated rock. ii) Earth

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 laterite rock 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 plum cement concrete 1:3:6 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, rubble packing and refilling after completion of work in different areas of Margao Town. 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 laterite rock 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 a basaltic stone aggregate 20mm nominal size) including 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. a)160mm OD

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 0.90x0.60m and 1.00m deep (with precast RCC slab covers of concrete grade M25 30T capacity) 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. Inside size 0.90 x 0.60m and 1.00m deep

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) 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 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

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

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

Making connection of drain or sewer line with existing RCC manhole including breaking the manhole wall with suitable Core cutting Machine including making arrangement for Electric power supply or D.G. set for the operation of said machine 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. complete.

Supplying of laterite stone soling of size 150-200 mm size and murrum having P.I. Value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering and 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 bitumen(or with such bituminous material of grade and type as specified by the Engineer-in-Charge)at 5.0kg. 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

providing and laying bituminous macadam with 40-60 TPH hot mix plant producing an average output of 50 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder to the specified percentage of total mix,transported to site with all leads laid over a previously prepared surface with sensor paver finsiher to the required grade, level and alignment and rolled with smooth wheeled roller and vibratory roller to achieve the desired compaction including providing antistripping agent @ 0.5% of bitumen content , as per MoRT&H specifications clause 504.grade-I(40mm nominal size)@ 3.3% of bitumen-Mix

providing and laying 25 mm thick bituminious/Asphaltic concrete with 40-60 batch type HMP producing an average output of 50 tonnes per hour using crushed aggregates of specified gradings premixed with bituminious binder at 6.5% by weight of total mix and filler incl.providing antistripping agent @ 0.50% of bitumen content of transpoting the hotmix to work site with all leads and applying a tack coat @ 3.75 kg/10sq.m with hot bitumen of 80/100 and laying with hydrostatic/hydraulic power finisher with sensor or control to the required grade ,level and alignment, rolling with smooth wheeled vibratory or tandem rollers to achieve the desired compaction as per MORT&H specifications clause 509 and 503.