Advance Construction Bulletin: BID CALLS EXPECTED IN APRIL, no.4, April 2, 1956

(1)

BULLETIN

United States Department of the Interior

Bureau of Reclamation

Number 4

Commissioner's Office - Denver Building 53, Denver Federal Center

Denver, Colorado

April 2, 1956

The following announcements are subject to revision. In requesting invitations, specifications, bid forms, or other information from the office indicated in each announcement, please refer to the title and number of the item as described in this issue.

BID CALLS EXPECTED IN APRIL

ROAD TUNNEL

Fremont Canyon (4-1)

MISSOURI RIVER BASIN PROJECT, Wyoming. Chief Engineer, Denver, to issue mvitations about April 20.

Location: Forty miles southwest of Casper, Wyoming.

Work: Excavating a 16- by 16. 5-foot tunnel 1, 700 feet long for Fremont Canyon Power Plant access road.

Excavation for removal of talus

Excavation for tunnel approaches

Excavation for tunnel Time allowed for completion:

CANALS and LATERALS Sargent (4-2) 14, 000 cu yd 19, 000 cu yd 18, 000 cu yd 330 days.

Location: Near Sargent, Nebraska.

Concrete

Structural steel supports Reinforctng steel Gravel surfacing 160 cu yd 44, 000 lb 16, 000 lb 550 cu yd

MISSOURI RIVER BASIN PROJECT, Nebraska. Chief Engineer, Denver, to issue mvitations about April 18.

Work: Earthwork and structures for about 19 miles of unlined canals, about 3 miles of - - wasteways, about 24 miles of laterals and about 10.5 miles of drainage channels

and appurtenant structures.

Excavation 1, 316, 000 cu yd Compact embankments 340, 000 cu yd Concrete in structures 3, 000 cu yd

Time allowed for completion: 650_days.

LATERALS

Block 46 (South Part) (4-3) 15- to 60-inch precast concrete pipe 18- to 24-inch asbestos bonded corrugated metal pipe 18, 000 lin ft 2, 200 lin ft

COLUMBIA BASIN PROJECT, Washington. Project Manager, Ephrata,

to

issue invitations about April 26.

Location: Between Warden and Othello, Washington.

Work: Earthwork and structures'-for about 29 miles of laterals and wasteways, -and con-- structing 3 small pumping plants':

(2)

Bureau of Reclamation

LATERALS Group 7, Unit B

North Side Pumping Division (4-4)

Location: Northeast of Rupert, Idaho.

-Advance -Construction Bulletin, April 2, 1956

MINIDOKA PROJECT, Idaho.

Regional Director, Boise, to issue invitations about April 2.

Work: Earthwork, including stilling pools, and structures for 15- to 2. 5-cfs-capacity - - - laterals and sublaterals with 3- to 2-foot bottom widths.

Time allowed for completion: 300 days.

LATERALS

Division 4 and Amon (4-5)

Location: Near Kennewick, Washington.

YAKIMA PROJECT, Washington.

Chief Engineer, Denver, to issue invitations about April 30.

Work: Constructing 4 miles of open laterals and structures and about 17 miles of 20- to - - 3-cfs-capacity concrete pipe.

Excavation 40, 000 cu yd 8- to 24-inch concrete

Concrete 500 cu yd pipe 93, 000 lin ft

WASTEWAY (EL68D)

(4-6)

COLUMBIA BASIN PROJECT, Washington. -Chief Engineer, Denver, to issue invitations about April 23.

Location: Near Othello, Washington. _

Work: Constructing 14 e-arth: dil<es, 12 witlt l>aff e apron spillways and 2 with precast - - concrete pipe outlets; and constructing a 60-inch double-barrel corrugated metal

pipe road crossing.

Excavation for wasteway 100, 000 cu yd Excavation from borrow 20, 000 cu yd Compact embankment in

dikes 50, 000 cu yd

WASTEWAY DIVERSION Block 19

(4-7)

Excavation for structures Concrete in structures

10, 000 cu yd 1, 000 cu yd

COLUMBIA BASIN PROJECT, Washington. Project Manager, Ephrata, to issue invita-tions about April 24.

Location: Ten miles west of Mesa, Washington.

Work: Constructing dike and about 1. 25 miles of lateral and structures for diversion of - - - water from the PE16.4 wasteway.

Excavation for lateral 10, 000 cu yd

Time allowed for completion: To be determined.

RIPRAP PROTECTION and TAILRACE REPAIR

Pilot Butte Power Plant (4-8)

RIVERTON PROJECT, Wyoming.

Project Manager, Cody, to issue invitations about April 10.

Location: About 27 miles northwest of Riverton, Wyoming.

Work: Excavation, removing concrete, and placing riprap and reinforced concrete in - tailrace.

(3)

RIVER CHANNELIZATION (4-9)

Advance Construction Bulletin, April 2, 1956

MIDDLE RIO GRANDE PROJECT, New Mexico. Chief Engineer, Denver, to issue invitations about April 16.

Location: On Rio Grande River, near Socorro, New Mexico.

Work: Clearing and excavating for conveyance channel and constructing metal jetties. ----c!earing 450 acres Gravel blanket 102, 000 cu yd Excavation 2, 000, 000 cu yd Metal jetties 7, 000 jacks Riprap 3, 330 cu yd

WELL COMPLETION Group 4 Wells--Unit B North Side Pumping Division

(4-10)

Location: Near Rupert, Idaho.

Work: Constructing 25 pumping substations, - - miscellaneous completion work.

Concrete 180 cu yd Chain link fencing 1, 960 lin ft Time allowed for completion: 300 days.

WELLS Area 6

(4-11)

Location: Near American Falls, Idaho.

MINIDOKA PROJECT, Idaho.

Regional Director, Boise, to issue invita-tions about April 6.

installing 32 deep-well pumping units and

Double gates Gravel surfacing

25 1, 450 sq yd

MICHAUD FLATS PROJECT, Idaho. Regional Director, Boise,

to

issue invita-tions about April 20.

Work: Drilling and casing seven 24-inch water-supply wells, 300 to 350 feet deep. Con-- Con-- tractor to furnish all materials except well screen and gravel for packing.

WELLS (4-12)

INGALLS PUMPING PROJECT, Kansas. Regional Director, Denver, to issue invita-tions about April 16.

Location: Along the Arkansas River between Pierceville and Cimarron, Kansas. Work: Drilling, casing, and pump testing two 14-inch wells about 180 feet deep and - - drilling and casing eight 1-1/4-inch observation wells about 180 feet deep.

WELL

(4-13)

Location: West of Kennewick, Washington.

YAKIMA PROJECT, Washington.

Regional Director, Boise, Idaho, to issue invitations about April 2.

Work: Drilling 6-inch domestic water-supply well about 400 feet deep.

(4)

WATER MEASUREMENT STRUCTURES Kirwin and Webster Dams

(4-14)

Advance Construction Bulletin, April 2, 1956 ·

MISSOURI RIVER BASIN PROJECT, Kansas. Project Manager, McCook, Nebraska, to issue invitations about April 9.

Location: Near Stockton and Kirwin, Kansas.

Work: Constructing 2 corrugated metal stream gaging stations, a cableway, and a

con-- con-- con-- crete stream gaging station, concrete river control section and Parshall flume,

and a timber foot bridge. Time allowed for completion: 60 days.

COMMUNICATION SYSTEM (4-15)

MISSOURI RIVER BASIN PROJECT, South Dakota. ProJect Manager, Huron, to issue invitations about April 16.

Location: In or near below-listed towns in South Dakota.

Work: Constructing facilities for radio communication system including fifteen 10- by 12-foot prefabricated metal buildings, sixteen 200-foot radio towers with anten-nas, cable and lights, underground audio telephone and control lines between buildings and underground power cable.

No. of 200-foot No. of 10- by 12-foot

steel buildings Approximate Location Wasta Clark Ree Heights Midland Arlington Pierre Gettysburg Burke Gary

Time allowed for completion:

SUBSTATION ADDITIONS Lingle

(4-16)

180 days.

Location: Near Lingle, Wyoming.

towers 1 2 2 2 1 2 2 2 2 2 2 2 1 2 2 2

MISSOURI RIVER BASIN PROJECT, Wyoming. Chief Engineer, Denver, to issue invitations about April 20.

Work: Gradin~ and fencing the site, constructing concrete foundations, steel structures,

a 1 7-1/ 3- by 12-foot prefabricated metal service building, and installing a

Gov-ernment-furnished 115/34. 5-kv transformer and associated electrical equipment.

Excavation 200 cu yd Steel structures 12, 000 lb

Concrete 30 cu yd Timber piling 250 lin ft

ROAD SURFACING Madera Canal

(4-17)

Location: Near Madera, California. Work: Surfacing operating road.

~ a v e l surfacing 15, 000 tons

CENTRAL VALLEY PROJECT, California. Regional Director, Sacramento, to issue invitations about April 18.

4

(5)

Bureau of RP.clamation

HIGHWAY RELOCATION Glendo

(4-18)

Advance Construction Bulletin, April 2, 1956

MISSOURI RIVER BASIN PROJECT,

Wyoming. Chief Engineer, Denver, to issue

invitations about April 20.

Location: North of Glendo, Wyoming.

Work: Relocating 4 miles and improving 2. 3 miles of Wyoming State Highway U.S. 87, which will include construction of a 290-foot bridge.

Excavation for roadway 650, 000 cu yd Steel piles 2, 400 lin ft

5 mi 6, 500 lin ft 80, 000 tons

Overhaul 160, 000 Mi cu yd Barbed wire fencing

Riprap 11, 000 cu yd Beam-type guard rail

Structural steel 220, 000 lb Base course aggregates

Corrugated metal pipe 2, 000 lin ft Plant-mix bituminous

Corrugated metal pipe surfacing 18, 000 tons

1, 600 tons

arches 1, 100 lin ft Liquid asphalt

.!.ime allowed for completion: 360 days.

SURFACING Nimbus Dam

(4-19)

Location: Near Folsom, Caiifornia.

Work: Surfacing and fencing right abutment parking area.

--CZ:Ushed rock 500 tons Removing barbed wire fence 300 lin ft

Asphalt emulsion 6 tons Chain-link fencing 1, 000 lin ft

Stone chips 70 tons

Timber guard rail 215 lin ft

LUBRICATION SYSTEM

Pole Hill, Flatiron, Kortes, and Alcova Power Plants

(4-20)

COLORADO-BIG THOMPSON, KENDRICK, and MISSOURI RIVER BASIN PROJECTS, Colorado and Wyoming. Regional I;irector,

Denver, to issue invitations about April 16. Location: Near Loveland, Colorado, and Casper, Wyoming.

Work: Installing centralized lubrication systems for the turbines at 4 power plants. Time allowed for completion: 150 days.

CEMETERY RELOCATION (4-21)

Location: Near Winters, California.

SOLANO PROJECT, California.

Regional Director, Sacramento, to issue invitations about April 12.

Work: Moving the cemetery located in the Monticello Reservoir area to a new site,

- - including installation of an electric pump and a 3, 000-gallon redwood water

tank.

Disinterment and reinterment

of bodies 325 each

Rough boxes 300 each

Remove and replace monu

-ments 164

Concrete markers Galvanized iron pipe Chain-link fencing Gravel surfacing 195 2, 900 lin ft 1, 800 lin ft 600 cu yd

(6)

BUILDING MODIFICATIONS Watertown Substation

( 4-22)

Location: Near Watertown, South Dakota.

Advance Construction Bulletin, Ap~il 2, 195fi,.

MISSOURI RIVER BASIN PROJECT, South · ·

Dakota. Project Manager, Huron, to issue invitations about April 5.

Work: Remodeling the Watertown Substation service building to provide facilities for an - - - area dispatching office. Work will include a 10- by 34-foot addition with a

con-crete foundation and floor, a steel frame with metal-clad exterior, electrical wiring and fixtures and an electrical unit heater.

FENCING (4-23)

Location: Near Folsom, California.

Work: Erecting 100 feet of 6-foot chain-link fencing and 1, 000 feet of barbed-wire - - fencing at various locations in Folsom Dam headquarters area.

FENCING

Green Mountain Switchyard (4-24)

Location: Near Kremmling, Colorado.

COLORADO-BIG THOMPSON PROJECT, Colorado. Regional Director, Denver, to issue invitations about April 16.

Work: Constr-ucting about 500 feet of 6-foot chain-link fencing.

Tiiiie

allowed for completion: 60 days.

BIO CALLS EXPECTED IN MAY ANO JUNE

DAM (4-25) - Santa Maria Project, California. Constructing the 216-foot-high Vaquero earth dam and appurtenant structures, and about 4 miles of access road. About 12 miles northeast of Santa Maria. Chief Engineer, Denver, to issue invitations.

DAM (4-26) - Collbran Project, Colorado. Constructing the 144-foot-high Vega earth dam and appurtenant structures, and relocating about 5 miles of county road. About 10 miles east of Collbran. Chief Engineer, Denver, to issue invitations.

DAM (4-27) - Rogue River Basin Project, Oregon. Constructing the 90-foot-highHoward Prairie earth dam and appurtenant structures. About 20 miles southeast of Medford. Chief Engineer, Denver, to issue invitations.

DIVERSION DAM ( 4-28) - Solano Project, California. Constructing the gated rein-forced concrete Putah Diversion Dam with earth embankment on the left abutment, canal headworks, and sluice way. About 40 miles west of Sacramento. Chief Engineer, Denver, to issue invitations.

TUNNEL (4-29) - Rogue River Basin Project, Oregon. Constructing a 6-foot-diameter horseshoe tunnel about 4, 100 feet long. Nea:r: Medford. Chief Engineer, Denver, to issue invitations.

(7)

Bureau of Reclamation Advance Construction Bulletin, April 2, 1956

CANALS and LATERALS (4-30) - Missouri River Basin Project, Nebraska. Earthwork and structures for about 5 miles of 250-cfs-capacity canal and for about 9 miles of 15-to 6-cfs-capacity open laterals. Upper Meeker Main Canal, near McCook. Chief Engi-neer, Denver, to issue invitations.

CANAL (4-31) - Solano Project, California. Earthwork and structures for about 12. 8 miles of 10-foot bottom width unreinforced concrete-lined canal. Putah South Canal, near Vacaville. Chief Engineer, Denver, to issue invitations.

CANAL REHABILITATION (4-32) - Rogue River Basin Project, Oregon. Constructing a 54-inch and a 60-inch precast concrete pipe siphons, 1, 100 feet and 325 feet in length, respectively, two 5-1/2- by 5-1/2-foot reinforced concrete bench flumes 320 feet long and 140 feet long, and a reinforced concrete cantilever retaining wall about 15 feet high and 70 feet long, to replace 5 wood-bent metal flumes. Main Canal, near Medford. Chief Engineer, Denver, to issue invitations.

CANAL REHABILITATION (4-33) - Rogue River Basin Project, Oregon. Removing a 44-inch wood-stave pipe siphon and constructing a 48-inch precast concrete pressure pipe or steel cylinder (modified prestressed) pipe siphon about 1, 860 feet long.

Med-ford Canal, near MedMed-ford. Chief Engineer, Denver, to issue invitations.

CANAL REHABILITATION (4-34) - Rogue River Basin Project, Oregon. Removing a metal flume and constructing a 60-inch precast concrete pipe siphon about 375 feet long, and removing a 48-inch wood-stave pipe siphon and replacing it with a,57-inch precast concrete pipe siphon about 1, 970 feet long. Medford Canal, near Medford. Chief Engineer, Denver, to issue invitations.

PIPE CROSSING ( 4-35) - Central Valley Project, California. Constructing a 102-inch precast concrete pipe crossing under the Southern Pacific Railroad tracks and U. S. Highway 99W for the Corning Canal. Work will include constructing concrete transi-tions, placing 132-inch tunnel liner plate under railroad, and jacking 102-inch pipe un-der highway. Near Red Bluff. Chief Engineer, Denver, to issue invitations.

LATERALS (4-36) - Columbia Basin Project, Washington. Earthwork and structures for about 15 miles of 245- to 3-cfs-capacity unlined laterals and wasteways with 16- to 2-foot bottom widths. Block 18 (Second Part), near Connell. Chief Engineer, Denver, to issue invitations.

LATERALS ( 4-37) - Central Valley Project, California. Earthwork and structures for about 5. 5 miles of 12- to 24-inch reinforced precast concrete pipe for Contra Costa Distribution System laterals. Near Antioch. Chief Engineer, Denver, to issue invita-tions.

LATERALS (4-38) - Minidoka Project, Idaho. Earthwork and structures for laterals from Group 6, Unit B, North Side Pumping Division. West and northwest of Paul. Regional Director, Boise, to issue invitations.

DRAINS ( 4-39) - Columbia Basin Project, Washington. Earthwork and structures for about 8, 200 feet of drains and wasteways along the southeast margin of the Mitchell Basin in Block 41, and constructing one small pumping plant and one railraod crossing. Project Manager, Ephrata, to issue invitations.

(8)

Bureau of Reclamation Advance Construction Bulletin, Apr_il 2, 1956

PUMPING PLANTS (4-40) - Columbia Basin Project, Washington. Constructing two outdoor-type pumping plants with concrete substructures, adjacent switchyards, and about 1, 400 feet of discharge pipe for each. One plant is to have 4 electric motor-driven pumps of 57-cfs total capacity and the other plant is to have 3 electric motor-driven pumps of 21-cfs total capacity. Burbank Pumping Plants, near Burbank. Chief Engi-neer, Denver, to issue invitations.

PUMPING PLANT (4-41) - Columbia Basin Project, Washington. cfs-capac1ty F're.nchman Springs Pumping Plant. Near Vantage. to issue invitations.

Constructing the 197-Chief Engineer, Denver,

WELL COMPLETION (4-42) - Minidoka Project, Idaho. Installing pumping equipment, constructing electrical facilities, and miscella,neous completion work for 4 relift pump-ing plants, Unit A, North Side Pumping Division, near Hazelton. Regional Director, Boise, to issue invitations.

COMMUNICATION SYSTEM (4-43) - Missouri River Basin Project, North Dakota. Con-structmg bu1ldmgs, power lines, telephone lines and erecting antenna towers for radio communication facilities in several areas of North Dakota. Project Manager, Bismarck, to issue invitations.

SUBSTATION (4-44) - Missouri River Basin Project, North Dakota. Constructing the Grand Forks Substation will include grading and fencing the site, constructing concrete footings and a concrete block control building, steel structufes, and installing a 115/69-kv, 50, 000-kva, 3-phase autotransformer and a lP, 000-kva static capacitor bank, and associated electrical equipment, major items of which will be Government furnished. Near Grand Forks. Chief Engineer, Denver, to issue invitations.

ACCESS ROAD (4-45) - Missouri River Basin Project, Wyoming. Constructing 5 miles of road mcludmg a 140-foot truss bridge for access to Fremont Canyon Power Plant on North Platte River, 40 miles southwest of Casper. Chief Engineer, Denver, to issue invitations.

CLE ARING (4-46) - Palisades Project, Idaho. Clearing lands, including removal of fences and buildings, along the Snake River, upstream from the Palisades Dam, 60 to 80 miles southeast of Idaho Falls. Regional Director, Boise, to issue invitations.

HOUSING (4-47) - North Platte Project, Wyoming. Moving 2 houses from Lingle to Guernsey Government Community, near Guernsey. Project Manager, Casper, to issue invitations.

BID CALLS DEFERRED

The following bid calls previously announced in this bulletin have been postponed until further notice. They are listed by the item number under which the work was last reported in the Bulletin.

ROAD RELOCATION (3-56) - Missouri River Basin Project, Wyoming. Relocating 5 miles of Platte County road to Meadowdale. Chief Engineer, Denver.

(9)

SUPPLEMENTAL PUMPING PLANT (3-10) - Columbia Basin Project, Washington. Constructing a supplemental pumpmg plant and delivery system for Farm Units 2, 3, and 16. Near Eltopia. Project Manager, Ephrata.

METERS (3-21) - Columbia Basin Project, Washington. Installing about 19 electric meters at various locations at Coulee Dam. Project Manager, Ephrata.

SUBSTATION ADDITIONS (3-52) - Missouri River Basin Project, Nebraska. Construct-ing add1hons to the Nebraska Public Power System at Neligh Substation, near Neligh. Chief Engineer, Denver.

INVITATIONS RECENTLY ISSUEO

The following construction invitations have been issued since publication of March 1, 1956, Advance Construction Bulletin. They are listed by the item number under which work was last reported in the Bulletin.

LATERALS (3-44) - Columbia Basin Project, Washington. Earthwork and structures for Part 1, Block 18 laterals and wasteways, East Low Canal Laterals. Bid opening April 26 at Ephrata. Specifications No. DC-4667.

DIVERSION DAM and INTAKE CHANNEL (3-1) - Weber Basin Project, Utah. Construct-mg Siaterv1lle b1vers1on Dam and Layton Pump Intake Channel. Bid opening May 8 at Ogden. Specifications No. DC-4662.

SEWAGE DISPOSAL PLANT (3-22) - Boulde1 Canyon Project, Nevada. Constructing sewage works for Hoover Power Plant. Bid opening April 26 at Boulder City. Specifi-cations No. DC-4664.

DRAIN and ROAD REHABILITATION (3-50) - Middle Rio Grande Project, New Mexico. Earthwork, clearmg, and structures for rehabilitation and extension of Lower Corrales Riverside Drain. Bid opening April 19 at Albuquerque. Specifications No. DC-4665. DRAINS (3-6) - Missouri River Basin Project, Nebraska-Kansas. Earthwork and struc-tures for drain improvements and extensions and wasteway construction. Bid opening April 12 at Superior, Nebraska. Specifications No. 701C-402.

CANAL and LATERAL (3-3) - Missouri River Basin Project, Wyoming. Earthwork and structures for Mam Canal No. 1 and lateral, Main Canal No. 2 and laterals, and Bluff Laterals Nos. 1 and 2. Bid opening April 25 at Worland. Specifications No. DC-4661. CHANNEL RECTIFICATION (3-7) - Missouri River Basin Project, Wyoming. Earth-work for channel rechhcahon along Fivemile Creek. Bid opening April 17 at Riverton. Specifications No. 617C-49.

O&M HEADQUARTERS REMODELING (2-23) - Central Valley Project, California. O&M headquarters remodelmg at Los Banos and Mendota Pool. Bid opening April 5 at Winters. Specifications No. 200C-303.

SUBSTATION ADDITIONS (3-18) - Missouri River Basin Project, Wyoming. Constructing 115-kv add1t10ns at Germg Substation. Bid opening May 1 at Glendo. Specifications No. DC-4643.

BUILDING MODIFICATIONS (2-25) - Boulder Canyon Project, Nevada. Constructing assembly room and parhhon in Hoover Power Plant and additions to Warehouse No. 2. Bid opening March 29 at Boulder City. Specifications No. 301C-8.

DRAINS (2-8) - Columbia Basin Project, Washington. Earthwork for Block 11 drains. Bid opening April 3 at Ephrata. Specifications No. 11 7C-367.

(10)

.':o

HOUSING (3-24) - Columbia Basin Project, Washington. Constructing seven 2-bedroom residences, pumphouses, garages and utility systems for O&M housing, Blocks 89, 47, and 14. Bid opening April 12 at Ephrata. Specifications No. l l 7C-368.

LATERALS (3-4) - Columbia Basin Project, Washington. Earthwork, pipe lines, and structures for North Part, Block 46 laterals, wasteways, and drains, East Low Canal Laterals. Bid opening April 5 at Ephrata. Specifications No. DC-4636.

SUBSTATION ADDITIONS (3-19) - Missouri River Basin Project, South Dakota. Con-structing additions to Groton and Watertown Substations and transfer of reactor from Beulah Substation. Bid opening April 24 at Huron. Specifications No. DC-4626.

FENCING (2-28) - Boulder Canyon Project, Nevada. Chain-link fencing around sewage ox1dahon pond at Boulder City. Bid opening April 3 at Boulder City. Specifications No. 300C-86.

LATERAL, PUMP DISCHARGE LINE, and DIKES (3-5) - Columbia Basin Project, Wash-ington. Earthwork and structures for Evergreen Pumping Plant Intake Channel and dis-charge lines, Lateral W44, and Dike W44, Block 77, West Canal Laterals. Bid opening April 24 at Ephrata. Specifications No. DC-4656.

SWITCHYARD ADDITIONS (3-20) - Missouri River Basin Project, Wyoming. Construct-ing 115-kv additions to Alcova Switchyard. Bid opening April 17 at Glendo. Specifications . No. DC-4642.

DIVERSION TUNNEL (3-2) - Central Valley Project, California. Constructing Trinity Dam D1vers10n Tunnel. Bid opening April 4 at Weaverville. Specifications No. DC-4650. TRANSMISSION LINE (3-15) - Missouri River Bas.in Project, Wyoming. Constructing 8. 5 miles of Akova-Fremont 115-kv transmission line. Bid opening April 12 at (.}lendo. Specifications No. DC-4652.

DRAINS (2-9) - Sun River Project, Montana. Constructing open and closed drains. Bid openmg March 15 at Great Falls. Specifications No. 604C-39.

SUBSTATION ADDITIONS (2-18) - Kendrick Project, Wyoming. Constructing additions to Bairoil Substation. Bia opening March 27 at Casper.· Specifications No. 700C-398. AQUEDUCT (2-1) - Weber Basin Project, Utah. Earthwork and structures, concrete pipe Imes, and concrete or steel pipe for trunk lines, Davis Aqueduct. Bid opening April 3 at Ogden. Specifications No. DC-4458.

PUMPING PLANT (2-14) - Owyhee Project, Oregon. Rehabilitating Ontario-Nyssa Pump-ing Plant. Bid opening April 11 at Boise, Idaho. Specifications No. DC-4647.

CANAL - Central Valley Project, California. Earthwork and structures for Corning Canal. Bid opening April 10 at Red Bluff. Specifications No. DC-464.8.

WELLS (2-21) - Columbia Basin Project, Washington. Drilling and casing 36 observa-tion wells for Blocks 89, 421, 44, 47, 18, and 14. Bid opening March 22 at Ephrata. Specifications No. l l 7C-365.

DIKE (2-12) - Boulder Canyon Project, Nevada. Constru,ct,ing dike for oxidation pond at sewage disposal plant in Boulder City. Bid opening March 20 at Boulder City. Speci-fications No. 300C-85.

10