Contract Identification No. and Package 1. SUHEP-067/68-Lot No.1-AR: Package B 2. SUHEP-067/68-Lot No.1-AR: Package C

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1 Notice of Amendment No.1 Addendum No.1 to the following Contract Packages has been made in the Bids, for which the first date notice was published in the Gorkhapatra daily on December 14, 2010 by Sanjen Hydropower Company Limited (SHCL),, Gyaneswor, Kathmandu. S.N. Contract Identification No. and Package 1. SUHEP-067/68-Lot No.1-AR: Package B 2. SUHEP-067/68-Lot No.1-AR: Package C Amended Section Section VI- Bill of Quantities Section I-Invitation for Bids, Section II- Instruction to Bidders, Section VI- Bill of Quantities The Prequalified Bidders are requested to receive the Addendum No.1 from the SHCL office within office hours. The Amendment No. 1 is also published in the website Sanjen (Upper)) Hydroelectric Project Gyaneswor, Kathmandu Tel No , , Fax No , sanjenhcl@gmail.com,

2 SANJEN HYDROPOWER COPANY LIMITED SANJEN (Upper) HYDROELECTRIC PROJECT BIDDING DOCUMENT For Construction of Contract No.: SUHEP 067/68 Lot No.1 AR: Package C (CH TO AND TO ) Addendum No.1 The following Addenda to the Bidding Document for, Contract No.: SUHEP 067/68 Lot No. 1 AR: Package C has been issued in accordance with Clause 10 of Instruction to Bidders. 1) Section I Invitation for Bids: Delete??? from Clause No.1 from The list of prequalified Bidders of Bidder No.10. 2) Section II Instruction to Bidders, Bidding Data Clause Reference, ITB 19.2b:.. CHAINAGE has been corrected as.. CHAINAGE ) Section VI Bill of Quantities The pages Volume 1 Page 77 to Page 91 of the Bill of Quantities shall be deleted in its entirety and replaced by the following Bill of Quantities:

3 SUMMARY OF Item No. 1 General 2 Earthworks 3 Structures 4 Pavement works 5 Miscellaneous works 6 Bio Engineering Works 7 Day works 8. Provisional Sum Description of Items 8.1 Provisional Sum for environment mitigation measures 8.2 Provisional Sum for Supply of Hydraulic Rock Splitter, Hydraulic Rock Drill and their accessories Add 13% VAT Total In Words: Amount in NRs December 2010 Volume 1: Page 77

4 Item No. Description of Items Unit Quantity In Figure Rate in (NRs.) In Words Amount (NRs.) Remarks 1.0 GENERAL 1.1 Insurance LS EARTHWORKS Clearing and grubbing thin bushes (bushes up to girth 30cm trees and saplings ) including uprooting, carrying and disposal. Felling and uprooting trees including cutting of trunks and branches carrying, stacking and disposal. m a. Girth size from 300mm to 600mm No. 200 b. Girth size more than 600mm No Excavation and removal of landslide materials from roadway and disposal m December 2010 Volume 1: Page 78

5 2.4 Roadway Excavation including disposal a. All types of soil excluding hard rock m b. Hard Rock m c. Hard Rock excavation without use of explosives Formation of Embankment and backfilling to structures with common/pervious material all complete. 3.0 STRUCTURES 3.1 Foundation excavation for new drainage, structures and culverts with disposal all complete. a. All types of soil excluding hard rock m m m b. Hard Rock m Supply and placing heavy coated gabion boxes, mesh size with 100X120mm hexagonal boxes m December 2010 Volume 1: Page 79

6 including rolling, weaving (mess wire 10 SWG, selvedge wire 8 SWG and binding wire 12 SWG) placing the box in position including stretching, forming compartments, tying the sides and diaphragms with binding wire in each mesh and filling of stones (transportation, dressing, bedding and bonding and) all complete. Supply and placing machine made heavy coated gabion boxes, mesh size with 100X120mm hexagonal boxes (mess wire dia. 3mm, selvedge wire dia. 3.9 mm and binding wire dia. 2.4 mm) placing the box in position including stretching, forming compartments, tying the sides and diaphragms with binding wire in each mesh and filling of stones (transportation, dressing, bedding and bonding) all complete. Supply and placing heavy coated gabion boxes (mattress) upto 0.5 m height, mesh size with 100X120mm hexagonal boxes (mess wire 10 SWG, selvedge wire 8 SWG and binding m m 3 20 December 2010 Volume 1: Page 80

7 wire 12 SWG) placing the box in position including stretching, forming compartments, tying the sides and diaphragms with binding wire in each mesh and filling of stones (transportation, dressing, bedding and bonding) all complete. Providing, supplying and laying random rubble stone masonry of hard stone in cement mortar (1:4) including scaffolding, curing, preparation of mortar etc. all complete. Providing, supplying and laying random rubble stone masonry of hard stone in cement mortar (1:6) including scaffolding, curing, preparation of mortar etc. all complete, Providing, supplying and laying dry stone masonry (coursed rubble wall) including dressing etc. all complete. Providing, supplying and back filling with graded filter materials in layer with necessary watering and compaction all complete. m m m m 3 60 December 2010 Volume 1: Page 81

8 Providing, supplying and placing cement concrete for slab culverts and pipe culverts and drains including compaction, curing, testing etc. all complete as per instruction or as shown in the drawings. a. Concrete M 10/40 m b. Concrete M 15/20 m c. Concrete M 20/20 m 3 50 Providing, supplying and laying reinforcement (Fe 415) including cutting, bending, binding, fixing in position etc. all complete of all diameters as per instruction or as shown in the drawings. Providing, preparing and installing formwork and removing after completion for slab and beam structure all complete as per specification. Providing, jointing and laying HDP pipes of diameter 300 mm of pressure 10 kg/ m 2 all complete as per specification. t 2.38 m m 30 December 2010 Volume 1: Page 82

9 3.13 Providing, jointing and laying NP3 RCC Hume pipes with collars, jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 sand) all complete as per specification a. 900 mm diameter m 114 b. 600 mm diameter m 60 Providing, jointing and laying HDP pipes of diameter 75mm of pressure 4 kg/ m 2 in masonry structures for weep holes all complete as shown in the drawings or as per instruction. Providing and laying Thermocoal for Expansion Joint all complete as shown in the drawings or as per instruction. Providing, laying and fixing Filter fabrics (Geo Textile) in position including stretching, interposing between structural surface and embankment filling/structural filling. 4.0 PAVEMENT WORKS m 75 m 2 8 m December 2010 Volume 1: Page 83

10 4.1 Providing, Laying, spreading, leveling and compaction to the required level by gravel sub base all complete as per specification. 5.0 MISCELLENOUS STRUCTURES Supply and placing precast reinforced concrete posts as shown in the 5.1 drawings or as per instruction for ROW with enamel painting. m No SLOPE STABILIZATION & BIO ENGINEERING WORKS General excavation for drainage works. Supply and placing dry stone rip rap for open channel. m 3 15 m Supply and placing plastic sheets. m Slope preparation for bio engineering works. m December 2010 Volume 1: Page 84

11 Supply and Planting rooted grass slips on slopes <45 including preparation of slips on site. Operation includes digging planting hole to a max of 5 cm depth with metal rod or hardwood peg, depending on nature of soil. The planting drills should be spaced 10 cm apart. Supply and Planting rooted grass slips on slopes >45 including preparation of slips on site. Operation includes digging planting hole to a max of 5 cm depth with metal rod or hardwood peg, depending on nature of soil. The planting drills should be spaced 10 cm apart. Supply and Planting containerised tree and shrub seedlings, including pitting, transplanting, composting and mulching, on slopes<30. Pit size 30 cm diameter * 30 cm depth. Mix compost with soil and backfill into pit, to 1/4 of pit volume. Supply and Planting containerised tree and shrub seedlings, including pitting, transplanting, composting m m No. 690 No December 2010 Volume 1: Page 85

12 and mulching, on slopes Pit size 30 cm diameter * 30 cm depth. Mix compost with soil and backfill into pit, to 1/4 of pit volume. Supply, Preparation and planting of live pegs of selected species of minimum 1 m length to 0.5 m depth into hard ground. Pegs spaced at 5 cm centres within rows, with 5 20 cm between rows, and interwoven with vegetation. Supply, Preparation and planting of live cuttings of selected species of minimum 1 m length to 0.5 m into soft debris. Pegs spaced at 5 cm centres within rows, with 5 20 cm between rows, and interwoven with vegetation. m 200 m Supply and planting Bamboo rhizome. No Supply and construction of live check dam of selected species. m 10 December 2010 Volume 1: Page 86

13 7.0 DAYWORKS Work shall only be executed as Day works only under the written instructions of the Engineer. 7.1 Labour The rates inserted shall include all costs of labour such as insurance, accommodation, travelling, hand tools, supervision, overhead and profits. a. Foreman / Supervisor md 15 b. Skilled labour (Mason, Carpenter, mechanics etc) c. General labour (Unskilled, Helpers, Assistant Operators etc) md 15 md Equipment December 2010 Volume 1: Page 87

14 a. Excavator 135hp hour Provisional Sum 8.1 Provisional Sum for the Environmental Mitigation measures at spoil deposit areas and river bank protection. PS 1 200, Two Hundred Thousand only 200, , December 2010 Volume 1: Page 88

15 Supply of Hydraulic Rock Splitter Set, Hydraulic Rock Drill Set and Accessories Item No. Description of Items Unit Quantity In Figure Rate in (NRs.) In Words Amount (NRs.) Remarks 8.2 Supply and delivery of Hydraulic Rock Splitter Set Set Hydraulic Rock Drill Set Set Accessories Set 1 of 8.2.1, and December 2010 Volume 1: Page 89

16 Supply and Delivery of Hydraulic Rock Splitter Set, Hydraulic Rock Drill Set and Accessories SN Item Unit Qty Hydraulic Rock Splitter Set a. Splitter (Splitting Cylinder) nos. 2 In figure Rate in NRs. In words Amount(NRs.) Remarks Drill hole diameter: 45 48mm b. Power pack nos. 1 Gasoline operated Rated Power: 3 kw Capable of operating two cylinders at a time c. Hose pipe i. 10m long hose pipe set 2 ii. Quick coupling for splitter's hose pipe set 4 d. Special lubricant kg 1 e. Air Freight Cost Tax Total in NRs. December 2010 Volume 1: Page 90

17 Supply and Delivery of Hydraulic Rock Splitter Set, Hydraulic Rock Drill Set and Accessories SN Item Unit Qty Rate in NRs. In figure In words Amount(NRs.) Hydraulic Rock Drill Set a. Hydraulic Rock Drill nos. 1 b. Power pack nos. 1 Gasoline operated Rated Power: 8.1kW Oil flow rate: l/m c. Hose pipe 7m long nos. 2 d. Quick coupling for drill's hose pipe nos. 4 e. Air Freight Cost Tax Total in NRs. Remarks SN Item Unit Qty Accessories a. Drill bit, size: 48mm dia nos. 1 b. Shank rod 3ft long nos. 1 In figure Rate in NRs. In words Tax Total in NRs. Amount(NRs.) Remarks December 2010 Volume 1: Page 91