|
WORK ITEM |
ESTIMATED TOTAL QUANTITY |
UNIT PRICE (including tax) Pesos |
PRICE (including tax) Pesos |
I. MOBILIZATION |
Lump sum |
|
|
II. EXPLORATORY DRILLING (Preliminary
Design) |
|
|
|
| A. |
Preparation of site (includes installation of temporary facilities) |
Lump sum |
|
|
| B. |
Setting-up & test run of Rig |
Lump sum |
|
|
| C. |
Drilling of 250mmø upper and lower pilot hole including strata sampling every one meter interval |
200.00 l.m |
|
|
| D. |
Geophysical Borehole logging of pilot hole |
Lump sum |
|
|
| E. |
Reaming of upper and lower pilot hole to
300mmø Borehole |
200.00 l.m |
|
|
| F. |
Reaming of upper and lower pilot hole to 400mmø Borehole |
200.00 l.m |
|
|
| G. |
Reaming of upper pilot hole to 500mmø Borehole (0 – 95m) |
95.00 l.m |
|
|
| H. |
Reaming of upper pilot hole to 600mmø Borehole (0 – 95m) |
95.00 l.m |
|
|
| I. |
Furnishing of 400mmø spiral welded steel casing with min. wall thickness of 9 mm including one (1) meter stick-up pipe |
91.00 l.m |
|
|
| J. |
Furnishing of 250mmø spiral welded steel casing with min. wall thickness of 9 mm including 5m sump pipe with bottom closure |
52.00 l.m |
|
|
| K. |
Furnishing of 250mmø stainless steel continuous slot wedge wirewound screens, slot size 1.5mm, 3m length each section (slot 60) |
57.00 l.m |
|
|
| L. |
Furnishing/Fabrication of 400mmø x 250mmø x 1.0m steel reducer |
1.00 pc |
|
|
| M. |
Furnishing and fabrication of casing centralizers |
9.00 pcs |
|
|
| N. |
Installation of 400mmø and 250mmØ casing & screen and 400mmØ x 250mmØ Steel Reducer |
201.00 l.m |
|
|
| O. |
Furnishing and installation of gravel packing |
181.00 l.m |
|
|
| P. |
Development by high velocity water jetting |
48.00 hrs |
|
|
| Q. |
Deflocculate Drilling mud with polyphosphate solution |
Lump sum |
|
|
| R. |
Development by Surging including bailing out of settlements |
48.00 hrs |
|
|
| S. |
Development by Airlifting |
24.00 hrs |
|
|
T. |
Step Drawdown pumping tests with five steps at one hour duration each step carried out in succession with discharge rate increasing in equal fraction of estimated discharge of 100 lps |
Lump sum |
|
|
| U. |
Continuous constant discharge rate pumping test; |
Estimated Q = 100lps |
72.00 hrs |
|
|
| V. |
Furnishing and installation of Clay Seal |
1.00 lm |
|
|
| W. |
Cement grouting of annulus around 400mmø casing |
18.00 lm |
|
|
| X. |
Furnishing and Installation of well head cap, 50mmØ Gravel tube and 38mmØ water level Sounding tube with screw cap and concreting of 1.00m x 1.00m x 0.10m pedestal including painting of one meter stick - up pipe |
Lump sum |
|
|
| Y. |
Clearing and restoration of site |
Lump sum |
|
|
| III. DEMOBILIZATION |
Lump sum |
|
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MILDRED G. AVILES