Bill of Quantities Schedule-A

7/30/2019 Bill of Quantities Schedule-A

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NATIONAL ALUMINIUM COMPANY LTD

TENDER FOR EXPANSION OF ASH POND AT NALCO's ALUMINA REFINERY AT DAMANJODI

BILL OF QUANTITIES/SCHEDULE OF RATES

TENDER FOR

EXPANSION OF ASH POND

AT NALCO's ALUMINA REFINERY

AT DAMANJODI

BILL OF QUANTITIES

IN THREE SCHEDULES

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SCHEDULE-A

ITEM DESCRIPTION OF ITEMS UNIT AMOUNT IN

NO O-3 O-4 O-5 TOTAL IN FIG IN WORDS ( Rs.)

01 Excavation for seating the dam, toe drains & appurtenant M3

0 9110 21700 30810

works, devlopment of various permanent roads, ramps

including clearing of jungle, trees, removal of roots,

shoring, strutting, dewatering, drainage, desilting, bailing

out water and including placing neatly, disposing off the

excavated stuff as directed with all lifts/depth as per drawings

and lead as per preamble, complete in all types of soils and

boulders not exceeding 0.15 cum. in volume excludingsoft/hard rock as per specification and including for all .

equipments,tools & tackles, labour etc, as per direction

of Engineer-In-Charge.

02 a) Excavation for seating the dam, cut off trench and M3

0 510 1200 1710

appurtenant works,devlopment of permanent roads,ramps

for ash reclamation in soft rock and boulders size above

0.15 cum. in volume with or without blasting including all

necessary wedging, chiseling, benching etc. and also

including shoring, desilting, bailing out water and placing

neatly and disposing off the excavated stuff as directed

with all lifts/depth and leads as per preamble etc. complete

as per specification and including all equipment,labours etc.

as per direction of Engineer-in-charge.

b) Excavation for seating the dam, cut off trench and M3

0 510 1200 1710

appurtenant works,devlopment of permanent roads,ramps

for ash reclaimation in hard rock and boulder size above

0.15 cum. in volume with or without blasting including

all necessary wedging, chiseling, benching etc. and

also including shoring, desilting, bailing out water andplacing neatly and disposing off the excavated stuff as

directed with all lifts/depth and leads as preamble, etc.

complete as per specification.

C.0.

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QUANTITY RATE in (Rs.)

BOQ FOR EARTHEN DYKES ORISSA-3, ORISSA-4 AND ORISSA-5

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SCHEDULE-A

B.F



03 Stripping for down stream slope of dam including exca- M3

0 1600 15600 17200

vating portion of the existing earth dam, berms etc.,

removal of turfing, drains and sumps in surface drainage

system and preparing surface as per drawings and

specifications for joining with proper bonding to new

earthwork and stacking useful material at a distance not

exceeding 500m for reuse and disposing all waste

materials as directed by Engineer-in-Charge.

04 Embankment filling by excavating from borrow pits,

including key joints/benching for bonding, sorting of isolated

boulders and pebbles, dozing, breaking clods, transpor-

tation of homogeneous material to dam site and forma-

tion of homogeneous embankment with selected soils

from specified borrow pits including watering and com-

paction to the required density and dressing complete

as per detailed specifications with all leads and li fts as

specified in the preamble of BOQ. (@@)

I). Same as above but lead upto 1KM. M3 1000 1000 30000 32000

ii). Same as above but lead above 1 KM upto 2 KM. M3

1000 1000 50000 52000

iii). Same as above but lead above 2 KM upto 3 KM. M3

3000 3000 170000 176000

iv). Same as above but lead above 3 KM upto 4 KM. M3

40000 40000 170000 250000

v). Same as above but lead above 4 KM upto 5 KM. M3

40000 35000 170000 245000

vi). Same as above but lead above 5 KM upto 6 KM. M3

20000 10000 10000 40000

vii). Same as above but lead above 6 KM upto 7 KM. M3

13000 11750 20000 44750

viii). Same as above but lead beyond 7KM. for every. M3

3000 1750 10000 14750

additional one km and part there of.

(@@) :- The lead quantity shown in B.O.Q are tentative and

this may be varried to any extend depending on site

condition and requirement as per the direction of

Engineer-in-Charge.

C.O.

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SCHEDULE-A




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B.F.



05 Providing and laying of filter materials as per drawings,specifications including transportation with all leads

(as per preamble) and lifts ( as per dwgs), rehandling

of materials, watering and compaction, all complete as

per directions of Engineer-in-charge.

i) Shielding filter on dam slope, graded sand,

crushed stone undemeath rip rap and riprap.

a) Rip rap M3

1745 7700 9445

b) Crushed rock M

3

1455 6400 7855c) Sand M

31455 6400 7855

ii) Drainaage filter horizontal filter / inclined filter.

a) Crushed rock. M3

4260 13600 17860

b) Sand. M3

6420 20350 26770

iii) Vertical chimney filter.

a) Crushed rock. M3

1550 6200 7750

b) Sand. M3

2500 9500 12000

06 Providing and laying of rock toe/rock filling with stone as

per drawings,specifications including transportation with

all leads (as per preamble)and lifts(as per dwgs), rehandling

of materials,watering and compaction,all complete as per

direction of engineer-in-charge. M3

2500 14900 17400

C.O.

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SCHEDULE-A

B.F.



07 Providing & placing in position PCC kerb stone of M15 Nos. 0 560 1260 1820

concrete for road way on top of dam of size 200mm X

200mm X 750mm long with embedment including all

material, shuttering, casting, curing, fixing etc. complete

as per direction of Engineer-in-Charge.

08 Providing & laying of turfing with pad grass for slope of M2

0 7000 30200 37200dam on downstream as per drawings, preamble &

specification s and directions of Engineer-in-Charge.

09 Providing and laying stone masonry in C.M. 1:6 in side RM 0 310 690 1000

only for 1m length in toe drains, rest in dry masonry

crushed rock filter and sand filter including

transportation of material with all leads and lifts complete

as per specification and drawings, finished and as per

directions of Engineer-in-Charge including excavation as

required.

10 Excavation in D/S slope of dam, along chimney M3

0 0 0 0

alignment, etc. and opening the top sand cap of chimney

drain and back filling the remaining area ( after placement

of chimney drain in continuation ) in layers as specified for

the embankment as per drawing and including pumping/

bailing out of water from all sources and reuse of

excavated material as directed by Engineer-in-Charge.

11 Rabate for reutilisation of suitable excavated materials M3

0 5050 16800 21850

obtained from items 1,2 & 3, for formation of earthfill section of embankment as per specifications &

directions of Engineer-in-charge including transportation

with all leads and lifts as specified in the preamble of BOQ

C.O.

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SCHEDULE-A

B.F.



12 Providing and laying the horizontal drain along the inner RM 620 200 750 1570

edge of berm made of 230mm rubble with cement mortar

in C.M. 1:6 (Size as per drg.) including transportation of

materials with alll leads(as per preamble) and lifts com-

plete as per specifications and drawings, finished as per

directions of Engineer-in-Charge.

13 Providing and laying the inclined drain in D/S slope at 20m RM 180 1500 1680

interval with 230mm rubble with cement mortar in C.M.

1:6 ( size as per drg) including transportation of materials

with all leads (as per preamble)and lifts complete as per

specifications and drawings, fished as per the directions

of Engineer-in-Charge.

14 Providing and laying catch pits made of 300mm Rubble Nos. 10 40 50

with cement pointing in C.M. 1:6 ( size as per drg) at

20m interval including transportation of materials with allleads (as per preamble) and lifts complete as per

specifications & drawings, furnished as per the directions


15 Providing & laying 300mm dia hume pipe of NP2 class RM 36 180 216

the berms of dam with collars jointed with cement mortar

at 20m intervals including transportation of materials with

all leads( as per preamble) and lifts complete as per

specifications and drawings,furnished as per the directions


C.O.

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SCHEDULE-A

B.F.



16 Providing and laying WBM road of 110mm compacted sqm 2320 6600 8920

thickness on the top of the dam using 90 to 40mm down

graded approved metal aggregate with moonrum blinding

including watering and compaction to the required density

and dressing complete as per detailed specifications anddrawing.

17 Rebate for reutilisation of boulders obtained from M3

0 0 0 0

dismantling of drain and rip rap as per required as

specification and direction of engineer-in-charge,

including transportation with all leads and lifts as

specified in the preamble of BOQ.

18 Providing and installing N B 200 ( medium duty) vertical RM 0 56 80 136

G.I.pipes as a continuity to existing relief wells in the

existing rock toe. The new pipes shall be welded to theexisting vertical G.I.pipe.

19 Rebate for reutilization of following materials obtained from

dismantling of toe drain,rock toe,horizontal/inclined drains

a) Sand filter. M3

4500 600 6300.00 11400

b) Crushed rock filter. M3

1100 270 570.00 1940

c) Rock toe. M3

0 0 9200.00 9200

TOTAL AMOUNT

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Bill of Quantities Schedule-A

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