Construction Of 01 ( One ) No . Deep Groundwater Piezometer And 08 ( Eight ) No . Shallow Groundwater Piezometers In Different Locations Of East Garo Hills , West Garo Hills , South Garo Hills , South West Garo Hills , North Garo Hills Districts, Garo Hills-Meghalaya

TDR : 24621559

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Garo Hills , Meghalaya

Tender Brief : Construction Of 01 ( One ) No . Deep Groundwater Piezometer And 08 ( Eight ) No . Shallow Groundwater Piezometers In Different Locations Of East Garo Hills , West Garo Hills , South Garo Hills , South West Garo Hills , North Garo Hills Districts

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Submission Date
03-07-2020

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Name of Work: Construction of 01 (one) no. Deep Groundwater Piezometer and 08 (eight) no. Shallow Groundwater Piezometers in different locations of East Garo Hills, West Garo Hills, South Garo Hills, South West Garo Hills & North Garo Hills Districts of Meghalaya.
1	1	Construction of 1 no. Deep Groundwater Piezometer at Tura (South-west corner of EE WRD Office Campus, Dakopgre), West Garo Hills, Meghalaya
2	1.01	Site Preparation including digging & filling of pits.	1	LS
3	1.02	Transportation of Rig Machine and accessories.	1	LS
4	1.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	100	m
5	1.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	101	m
6	1.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	1.84	Cu.m
7	1.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
8	1.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
9	1.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
10	1.09	Electrical well logging using 406mm and 1626mm (16\" and 64\") SP resistivity probe and preparation of composite log and natural gamma logging.	1	LS
11	1.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
12	2	Construction of 1 no. Shallow Groundwater Piezometer at Rongjeng (8m east of Khalasi Qtr of Awanga FIP, WRD), East Garo Hills, Meghalaya
13	2.01	Site Preparation including digging & filling of pits.	1	LS
14	2.02	Trasnportation of Rig Machine and accessories.	1	LS
15	2.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
16	2.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
17	2.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
18	2.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast.	0.13	Cu.m
19	2.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
20	2.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
21	2.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging.	1	LS
22	2.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
23	3	Construction of 1 no. Shallow Groundwater Piezometer at Williamnagar (5m west of godown in office campus of EE WRD), East Garo Hills, Meghalaya
24	3.01	Site Preparation including digging & filling of pits.	1	LS
25	3.02	Trasnportation of Rig Machine and accessories.	1	LS
26	3.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
27	3.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
28	3.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
29	3.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
30	3.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
31	3.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
32	3.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
33	3.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
34	4	Construction of 1 no. Shallow Groundwater Piezometer at Damas (40m south of new building, Damas Secondary School), North Garo Hills, Meghalaya
35	4.01	Site Preparation including digging & filling of pits.	1	LS
36	4.02	Trasnportation of Rig Machine and accessories.	1	LS
37	4.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
38	4.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
39	4.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
40	4.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
41	4.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
42	4.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
43	4.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
44	4.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
45	5	Construction of 1 no. Shallow Groundwater Piezometer at Resubelpara (6m north of main entrance in office campus of EE WRD), North Garo Hills, Meghalaya
46	5.01	Site Preparation including digging & filling of pits.	1	LS
47	5.02	Trasnportation of Rig Machine and accessories.	1	LS
48	5.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
49	5.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
50	5.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
51	5.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
52	5.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
53	5.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
54	5.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
55	5.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
56	6	Construction of 1 no. Shallow Groundwater Piezometer at Betasing Bazar (3m west of PPO Qtr of EE WRD), South West Garo Hills, Meghalaya
57	6.01	Site Preparation including digging & filling of pits.	1	LS
58	6.02	Trasnportation of Rig Machine and accessories.	1	LS
59	6.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
60	6.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
61	6.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
62	6.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
63	6.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
64	6.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
65	6.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
66	6.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
67	7	Construction of 1 no. Shallow Groundwater Piezometer at Gasuapara (6m south of Youth Cultural Centre Building, BDO Office), South Garo Hills, Meghalaya
68	7.01	Site Preparation including digging & filling of pits.	1	LS
69	7.02	Trasnportation of Rig Machine and accessories.	1	LS
70	7.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
71	7.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
72	7.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
73	7.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
74	7.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
75	7.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
76	7.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
77	7.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
78	8	Construction of 1 no. Shallow Groundwater Piezometer at Baghmara (10m north west of existing building of EE WRD), South Garo Hills, Meghalaya
79	8.01	Site Preparation including digging & filling of pits.	1	LS
80	8.02	Trasnportation of Rig Machine and accessories.	1	LS
81	8.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
82	8.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
83	8.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
84	8.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
85	8.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
86	8.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
87	8.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
88	8.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS
89	9	Construction of 1 no. Shallow Groundwater Piezometer at Phulbari (15m north of SDO WRD Office Building), West Garo Hills, Meghalaya
90	9.01	Site Preparation including digging & filling of pits.	1	LS
91	9.02	Trasnportation of Rig Machine and accessories.	1	LS
92	9.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.	50	m
93	9.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.	51	m
94	9.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.	0.75	Cu.m
95	9.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast	0.13	Cu.m
96	9.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.	0.22	Cu.m
97	9.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.	10	Per hr
98	9.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging	1	LS
99	9.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.	1	LS

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Construction Of 01 ( One ) No . Deep Groundwater Piezometer And 08 ( Eight ) No . Shallow Groundwater Piezometers In Different Locations Of East Garo Hills , West Garo Hills , South Garo Hills , South West Garo Hills , North Garo Hills Districts, Garo Hills-Meghalaya

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Name of Work: Construction of 01 (one) no. Deep Groundwater Piezometer and 08 (eight) no. Shallow Groundwater Piezometers in different locations of East Garo Hills, West Garo Hills, South Garo Hills, South West Garo Hills & North Garo Hills Districts of Meghalaya.
	Sl.No.	Item Description	Item Code / Make	Quantity	Units
1	1	Construction of 1 no. Deep Groundwater Piezometer at Tura (South-west corner of EE WRD Office Campus, Dakopgre), West Garo Hills, Meghalaya
2	1.01	Site Preparation including digging & filling of pits.		1	LS
3	1.02	Transportation of Rig Machine and accessories.		1	LS
4	1.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		100	m
5	1.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		101	m
6	1.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		1.84	Cu.m
7	1.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
8	1.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
9	1.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
10	1.09	Electrical well logging using 406mm and 1626mm (16\" and 64\") SP resistivity probe and preparation of composite log and natural gamma logging.		1	LS
11	1.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
12	2	Construction of 1 no. Shallow Groundwater Piezometer at Rongjeng (8m east of Khalasi Qtr of Awanga FIP, WRD), East Garo Hills, Meghalaya
13	2.01	Site Preparation including digging & filling of pits.		1	LS
14	2.02	Trasnportation of Rig Machine and accessories.		1	LS
15	2.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
16	2.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
17	2.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
18	2.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast.		0.13	Cu.m
19	2.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
20	2.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
21	2.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging.		1	LS
22	2.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
23	3	Construction of 1 no. Shallow Groundwater Piezometer at Williamnagar (5m west of godown in office campus of EE WRD), East Garo Hills, Meghalaya
24	3.01	Site Preparation including digging & filling of pits.		1	LS
25	3.02	Trasnportation of Rig Machine and accessories.		1	LS
26	3.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
27	3.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
28	3.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
29	3.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
30	3.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
31	3.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
32	3.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
33	3.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
34	4	Construction of 1 no. Shallow Groundwater Piezometer at Damas (40m south of new building, Damas Secondary School), North Garo Hills, Meghalaya
35	4.01	Site Preparation including digging & filling of pits.		1	LS
36	4.02	Trasnportation of Rig Machine and accessories.		1	LS
37	4.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
38	4.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
39	4.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
40	4.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
41	4.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
42	4.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
43	4.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
44	4.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
45	5	Construction of 1 no. Shallow Groundwater Piezometer at Resubelpara (6m north of main entrance in office campus of EE WRD), North Garo Hills, Meghalaya
46	5.01	Site Preparation including digging & filling of pits.		1	LS
47	5.02	Trasnportation of Rig Machine and accessories.		1	LS
48	5.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
49	5.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
50	5.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
51	5.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
52	5.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
53	5.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
54	5.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
55	5.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
56	6	Construction of 1 no. Shallow Groundwater Piezometer at Betasing Bazar (3m west of PPO Qtr of EE WRD), South West Garo Hills, Meghalaya
57	6.01	Site Preparation including digging & filling of pits.		1	LS
58	6.02	Trasnportation of Rig Machine and accessories.		1	LS
59	6.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
60	6.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
61	6.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
62	6.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
63	6.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
64	6.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
65	6.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
66	6.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
67	7	Construction of 1 no. Shallow Groundwater Piezometer at Gasuapara (6m south of Youth Cultural Centre Building, BDO Office), South Garo Hills, Meghalaya
68	7.01	Site Preparation including digging & filling of pits.		1	LS
69	7.02	Trasnportation of Rig Machine and accessories.		1	LS
70	7.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
71	7.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
72	7.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
73	7.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
74	7.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
75	7.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
76	7.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
77	7.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
78	8	Construction of 1 no. Shallow Groundwater Piezometer at Baghmara (10m north west of existing building of EE WRD), South Garo Hills, Meghalaya
79	8.01	Site Preparation including digging & filling of pits.		1	LS
80	8.02	Trasnportation of Rig Machine and accessories.		1	LS
81	8.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
82	8.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
83	8.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
84	8.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
85	8.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
86	8.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
87	8.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
88	8.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS
89	9	Construction of 1 no. Shallow Groundwater Piezometer at Phulbari (15m north of SDO WRD Office Building), West Garo Hills, Meghalaya
90	9.01	Site Preparation including digging & filling of pits.		1	LS
91	9.02	Trasnportation of Rig Machine and accessories.		1	LS
92	9.03	Drilling 200 mm (8\") diameter deep tube well through all types of formations including hard rock using DTH Rig Machine with suitable DTH Hammer and button bits.		50	m
93	9.04	Providing and lowering charges of 110mm (4½\") PVC casing blank pipes, strainer pipe (approximate 6 m), well cap and locking system including supply of jointing materials all complete.		51	m
94	9.05	Back filling of sand around PVC Pipe 110 mm dia as per design and specifications.		0.75	Cu.m
95	9.06	Cement sealing; Cement Concrete 1:2:4 with stone ballast		0.13	Cu.m
96	9.07	Supply of approved quality pea shaped gravel of 2 mm to 4mm size and gravel treatment of tube well including screening, washing, cleaning etc. of the gravels of site complete as per direction of EIC.		0.22	Cu.m
97	9.08	Development of borewell with adequate air pressure for flushing etc all complete as directed.		10	Per hr
98	9.09	Electric logging using 406mm and 1626mm(16\" and 64\") SP resistivity probe and preperation of composte log and natural gamma logging		1	LS
99	9.1	Providing 6mm thick 45 cm x 45 cm MS plate cover for plugging the well including supply concrete of stand and Metallic Protection Box with locking system.		1	LS

Construction Of 01 ( One ) No . Deep Groundwater Piezometer And 08 ( Eight ) No . Shallow Groundwater Piezometers In Different Locations Of East Garo Hills , West Garo Hills , South Garo Hills , South West Garo Hills , North Garo Hills Districts, Garo Hills-Meghalaya

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