CONTENTS *** | Special conditions—Continued. 1–10 35. Drinking water at site of works------ 11 36. Electric power for construction pur- 12 P9898--------------------------- 37. Sand and gravel deposits-----------. 38. Roads and highways, general-------. 13 39. Construction highway-------------- 13 40. Construction railroad--------------- 13 41. Transporting Government freight from 13 construction railroad to power house- 13 42. Use of inclined freight elevator by con- 13 tractor------------------------- 13 43. Acceptance of cofferdams by Govern- 13 ment--------------------------- 13 44. Development of power prior to com- 13 pletion of dam------------------- 14 | Earthwork: 45. Stripping canyon walls of loose rock-- 14 46. Classification of excavation---------- 14 47. Lines and grades------------------- 48. Blasting-------------------------- 14 49. Open-cut excavation, general-------- 14 50. Preparation of rock foundations for the 15 dam and other structures--------- 15 51. Tunnel, adit, and shaft excavation, 15 general------------------------- 16 52. Temporary timbering in tunnels----- 53. Steel ribs and steel liner plates in 16 tunnels, adits, and shafts--------- 17 54. Open-cut excavation for diversion tun- 17 nels---------------------------- 55. Excavation of diversion tunnels-- - - - 19 56. Care of river and unwatering founda– tions--------------------------- 19 57. Removal of downstream cofferdam 19 and rock barrier----------------- 20 58. Common excavation for foundations of dam, power house, and cofferdams-- 20 59. Rock excavation for foundation of dam---------------------------- 21 | 60. Excavation for upstream cut-off trench in foundation of dam------------- 22 61. Excavation for spillways, in open cut- 62. Excavation of inclined spillway tun- 22 nels---------------------------- 22 63. Excavation for canyon-wall valve 22 houses-------------------------- 64. Excavation for intake towers-------- 23 65. Excavation of shafts for outlet works 23 and connecting galleries---------- . Placing . Finishing * * * * * * * * - - - - - - - - - - - - - - - - = - - * * * * * * * * * * * - - - - - - - - - - - - - - 140. 141. 76 76 Gates and other mechanical machinery: 163. Stoney gates and hoists-----------164. High-pressure, hydraulically operated 165. Cylinder gates and hoists in intake towers------------------------- 167. Traveling cranes Electrical installations: 168. Electrical equipment, general 169. Resistance thermometers_-_ _ _ _ _ _ _ _ _ 170. Electrical conduits----------------Windows, doors and other miscellaneous items: 171. Metal-sash windows and partitions_ _ 172. Metal-sash window operators 173. Metal swing doors----------------174. Metal rolling doors----------------175. Wooden doors-------------------176. Hollow tile-----------------------177. Ceramic-tile walls and floors 178. Plumbing and hardware 179. Steel partitions--------------------. 180. Sheet metal work-----------------181. Temporary end walls in power house182. Miscellaneous items of metal work - - ** = ** - - - - - - - - - - - - - - - * * * * * * * * = * * * HOOVER DAM, POWER PLANT, AND APPURTENANT WORKS, BOULDER CANYON PROJECT, ARIZONA-CALIFORNIA-NEWADA Bids will be considered on the following schedule, but no bid will be considered for only a part of the schedule - SCHEDULE Construction of Dam, Power Plant, and Appurtenant Works o Work or material Quantity and price Amount 1 | Excavation: All classes, strip- 150,000 cu. yds., at ----------------------------ping canyon walls of loose rock. (Words) - - - es em. - - - - as emo - - - * * * - ($----------) per cu. yd-------| 3-----------2 Excavation: Common, in open 59,000 cu. yds., at------------------------------cut for diversion tunnels. (words) - -, o s = *- - - or so o 4- - - - sm o o ($----------) per cu. yd-------|-------------3 || Excavation: Rock, in open cut | 344,000 u. yds., at ----------------------------for diversion tunnels. (Words) - - - s = - - - - s - - - - - - - - ($----------) per cu. yd-------|-------------4 Excavation: All classes, in diver- 1,563,000 cu. yds., at ---------------------------sion tunnels. (Words) - * me me ame -- - - *m &m me • * * * * * * ($----------) per cu. yd-------|-------------5 | Excavation: Common, in open | 1,000 cu. yds., at ------------------------------trench for concrete cut-off in (Words) upstream cofferdam. - - as m = *- - - as as * * - - - - - - ($----------) per cu. yd-------|---------- --6 Excavation: Rock, in open 500 cu. yjs., at ----------- - - - - - - - - - - - - - - - - - - - - - trench for concrete cut-off in - (Words) upstream cofferdam. - - - * * - - - mom am - - - - esse - “ - - * - * - ($----------) per cu. ya-------|-------------7 | Excavation: Removal of earth |230,000 cu. yds., at ----------------------------fill in downstream cofferdam. (Words) - - - = * * * * * * - - - - * * *- ($----------) per cu, yd-------|-------------8 Excavation: Removal of rock fill 191,000 cu. yds., at ----------------------------in downstream cofferdam and (Words) rock barrier. - - - so * * - - * * * *- - - - - * *- ($----------) per cu. yj-------|-------------9| Excavation: Common, for foun- 857,000 cu. yds., at ----------------------------dation of dam, power house, - (Words) and cofferdams. - - * * * * * - * = * * - - - - * * ($----------) per cu. yd-------|-------------19 | Excavation: Rock, for founda- | 400,000 cu. yds., at ----------------------------tion of dam. . - (Words) - - ass so as * - - * * * * *- - -o os = - ($----------) per cu. yd-------|-------------11 | Excavation: All classes, for up- || 35,000 cu. yds., at -----------------------------stream cut-off trench infounda- y \r v. yCIS., 'Words) tion of dam. | || - - - - - - - - - - - - - - - - - - ($---------- ) per cu. ya-------------------- |