Attachment_02_APPENDIX_A_Repair_Backflow_Preventers.pdf

8 11

/REPLACE BACKFLOW

PREVENTERS, BASEWIDE

A:

CORRECTIVE ACTION

RECOMMENDATION LIST

Page Intentionally Left Blank

Appendix A 2016 Corrective Action Recommendations List XLWU 18‐1011 Repair/Replace Backflow Preventers, Basewide

UNK 1/2" 3/4" 1.5" 2" UNK 3" 4" 6"

Count = 15 2 168 226 215 1 1 3 7 25 11 1 8 5 0

1 83

Install one Domestic RP Backflow Device at building 166 (Assembly Required

Before Hose Trees: Building 83 & 168 fed by building 166) 1 1

2 107 Install one Domestic Containment RP Backflow Assembly 1 1

3 109 Install one Domestic Containment RP Backflow Assembly 1 1

4 126 Install one Domestic Containment RP Backflow Assembly 1 1

5 131 Install one Domestic Containment RP Backflow Assembly 1 1

6 149 Install one Domestic Containment RP Backflow Assembly 1 1

7 162 Install one Domestic Containment RP Backflow Assembly 1 1

8 164

Install one 2" Domestic Containment RP Backflow Assembly and One 4" DCVA Fire

Backflow Assembly 1 1 1 1

9 164 Install three 1.5" Backflow Assemblies on potable manifolds 3 3

10 164 Repair required: All Hose Bibbs must have Hose Bibb Vacuum Breakers installed 12

11 166 Install one Domestic Containment RP Backflow Assembly 1 1

12 168 Hose Trees: Building 83 & 168 fed by building 166) 1 1

13 181 Install one Domestic Containment RP Backflow Assembly 1 1

14 182 Install one 4" DCVA Fire Backflow Assembly 1 1

15 182 Install one 4" DCVA Fire Backflow Assembly 1 1

16 186 Install one Domestic Containment RP Backflow Assembly 1 1

17 188 Install one Domestic Containment RP Backflow Assembly 1 1 1

18 205 Install one Domestic Containment RP Backflow Assembly 1 1

19 214 Install one 2" Domestic Containment RP Backflow Assembly 1 1

20 216 Install one Domestic Containment RP Backflow Assembly 1 1

21 219 Install one 2" Domestic Containment RP Backflow Assembly 1 2

22 223 Install one Domestic Containment RP Backflow Assembly 1 1

23 235 Install one Domestic Containment RP Backflow Assembly 1 1

24 224 Install one Domestic Containment RP Backflow Assembly 1 1

25 225 Install one Domestic Containment RP Backflow Assembly 1 1

26 226 Install one Domestic Containment RP Backflow Assembly 1 1

27 227 Install one Domestic Containment RP Backflow Assembly 2 2

28 246

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 10 1 1

29 249 Install one Domestic Containment RP Backflow Assembly 1 1

30 256

Install one Domestic Containment RP Backflow Assembly and one 6" DCVA Fire

Backflow Assembly 1 1 1 1

31 258

Install one Domestic Containment RP Backflow Assembly and two 6" DCVA Fire

Backflow Assemblies 1 1 2 2

32 267 Install one Domestic Containment RP Backflow Assembly 1 1

33 269 Install one Domestic Containment RP Backflow Assembly 1 1

34 270

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 12 1 1

35 274 Install one Domestic Containment RP Backflow Assembly 1 1

36 280 Install one Domestic Containment RP Backflow Assembly 1 1

37 290 Install one Domestic Containment RP Backflow Assembly 1 1

38 310 Install one Domestic Containment RP Backflow Assembly 1 1

39 316 Install one Domestic Containment RP Backflow Assembly 1 1

40 322 Install one Domestic Containment RP Backflow Assembly 1 1

41 324 Install one 4" DCVA Fire Backflow Assembly 1 1

42 345 Install one Domestic Containment RP Backflow Assembly 1 1

43 370 Install one Domestic Containment RP Backflow Assembly 1 1

44 375

Install one Domestic Containment RP Backflow Assembly and one 6" DCVA Fire

Backflow Assembly 1 1 1 1

45 400

Install one Domestic Containment RP Backflow Assembly and one 4" DCVA Fire

Backflow Assembly 1 1 1 1

46 403 Install one Domestic Containment RP Backflow Assembly 1 1

47 406 Install one Domestic Containment RP Backflow Assembly 1 1

48 407

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 10 1 1

49 408 Install one Domestic Containment RP Backflow Assembly 1 1

50 410 Install one Domestic Containment RP Backflow Assembly 1 1

51 421 Install one 2" Domestic Containment RP Backflow Assembly 1 1

52 421 Install one Domestic Containment RP Backflow Assembly 1 1

53 422 Install one 3/4" Domestic Containment RP Backflow Assembly 1 1

54 425

Install one Domestic Containment RP Backflow Assembly and one 4" DCVA Fire

Backflow Assembly 1 1 1 1

55 427 Repair required: Replace Inlet shut off valve on 4" DCVA 1

56 431 Install one Domestic Containment RP Backflow Assembly 1 1

57 432 Install one Domestic Containment RP Backflow Assembly 1 1

58 436 Install one Domestic Containment RP Backflow Assembly 1 1

59 449 Install one Domestic Containment RP Backflow Assembly 1 1

60 462

Install one Domestic Containment RP Backflow Assembly and one 3" DCVA Fire

Backflow Assembly 1 1 1 1

61 470 Install one 2" Domestic Containment RP Backflow Assembly 1 1

62 474 Install one 2" Domestic Containment RP Backflow Assembly 1 1

63 484 Install one Domestic Containment RP Backflow Assembly 1 1

64 485 Install one 4" DCVA Fire Backflow Assembly 1 1

65 487 Install one Domestic Containment RP Backflow Assembly 1 1

66 492 Install one Domestic Containment RP Backflow Assembly 1 1

67 503 Install one Domestic Containment RP Backflow Assembly 1 1

68 505 Install one Domestic Containment RP Backflow Assembly 1 1

69 522

Install one Domestic Containment RP Backflow Assembly and one 6" DCVA Fire

Backflow Assembly 1 1 1 1

70 526 Install one Domestic Containment RP Backflow Assembly 1 1

71 529 Install one Domestic Containment RP Backflow Assembly 1 1

Hose

Bibb

Install Shut

Off Valve

Adjust Height /

Orientation Fire DCVADomestic RP Irrigation BFP

NEWExisting

RecommendationsBldg

UNK 1/2" 3/4" 1.5" 2" UNK 3" 4" 6"

72 530 Install one Domestic Containment RP Backflow Assembly 2 1

73 531 Install one Domestic Containment RP Backflow Assembly 1 1

74 532 Install one Domestic Containment RP Backflow Assembly 1 1

75 546

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly 1 1 1 1

76 548 Install one Domestic Containment RP Backflow Assembly 1 1

77 549 Install one Domestic Containment RP Backflow Assembly 1 1

78 559 Install one Domestic Containment RP Backflow Assembly 1 1

79 560

Install one Domestic Containment RP Backflow Assembly and one 4" DCVA Fire

Backflow Assembly 1 1 1 1

80 561

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly 1 1 1 1

81 571 Install one Domestic Containment RP Backflow Assembly 1 1

82 580 Install one Domestic Containment RP Backflow Assembly 1 1

83 585 Install one Domestic Containment RP Backflow Assembly 1 1

84 630 Install one Domestic Containment RP Backflow Assembly 1 1

85 647 Install one Domestic Containment RP Backflow Assembly 1 1

86 649 Install one Domestic Containment RP Backflow Assembly 1 1

87 650 Install one Domestic Containment RP Backflow Assembly 1 1

88 659 Install one Domestic Containment RP Backflow Assembly 1 1

89 662 Install one Domestic Containment RP Backflow Assembly 1 1

90 703 Install one Domestic Containment RP Backflow Assembly 1 1

91 729 Install one Domestic Containment RP Backflow Assembly 1 1

92 745 Install one Domestic Containment RP Backflow Assembly 1 1

93 747 Install one Domestic Containment RP Backflow Assembly 1 1

94 802 Install one Domestic Containment RP Backflow Assembly 1 1

95 817 Install one Domestic Containment RP Backflow Assembly 1 1

96 817 Recommend Relocating to proper height 1

97 817 Recommend Relocating to proper height 1

98 822 Install one Domestic Containment RP Backflow Assembly 1 1

99 837 Install one Domestic Containment RP Backflow Assembly 1 1

100 845 Install one Domestic Containment RP Backflow Assembly 1 1

101 856 Install one Domestic Containment RP Backflow Assembly 1 1

102 856 Recommend Relocating Backflow Assembly to proper height 1

103 909 Install one Domestic Containment RP Backflow Assembly 1 1

104 909 Recommend Relocating Backflow Assembly to proper height 1

105 909 Recommend Relocating Backflow Assembly to proper height 1

106 912 Install one Domestic Containment RP Backflow Assembly 1 1

107 913 Install one Domestic Containment RP Backflow Assembly 1 1

108 914 Install one Domestic Containment RP Backflow Assembly 1 1

109 916 Install one Domestic Containment RP Backflow Assembly 1 1

110 934 Install one Domestic Containment RP Backflow Assembly 1 1

111 950

Install four Domestic Containment RP Backflow Assembly and three DCVA Fire

Backflow Assembly 4 4 3 3

112 960

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly 1 1 1 1

113 1013 Install one Domestic Containment RP Backflow Assembly 1 1

114 1014 Install one Domestic Containment RP Backflow Assembly 1 1

115 1015 Install one Domestic Containment RP Backflow Assembly 1 1

116 1016 Install one Domestic Containment RP Backflow Assembly 1 1

117 1017 Install one Domestic Containment RP Backflow Assembly 1 1

118 1046 Install one Domestic Containment RP Backflow Assembly (Valve and pipe corroded) 1 1

119 1060 Install one Domestic Containment RP Backflow Assembly 1 1

120 1060 Recommend Relocating Backflow Assembly to proper height 1

121 1126

Install one Domestic Containment RP Backflow Assembly (Shared Backflow

Buildings 1126 & 1132) 1 1

122 1132

Domestic Backflow required see building 1126. (Shared Backflow Buildings 1126 &

1132) 1

123 1134

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly 1 1 1 1

124 1138 Install one Domestic Containment RP Backflow Assembly 1 1

125 1141 Install one Domestic Containment RP Backflow Assembly 1 1

126 1144 Install one Domestic Containment RP Backflow Assembly 1 1

127 1149 Install one Domestic Containment RP Backflow Assembly 1 1

128 1151 Repair required: All Hose Bibbs must have Hose Bibb Vacuum Breakers installed 12

129 1210

Repair required: Domestic Backflow needs to be re‐mounted from vertical to horizontal. 1

130 1212

Repair required: Domestic Backflow needs to be re‐mounted from vertical to horizontal. 1

131 1230 Install one Domestic Containment RP Backflow Assembly 1 1

132 1246 Install one Domestic Containment RP Backflow Assembly 1 1

133 1255 Install one Domestic Containment RP Backflow Assembly 1 1

134 1260 Install one Domestic Containment RP Backflow Assembly 1 1

135 1261 Install one Domestic Containment RP Backflow Assembly 1 1

136 1262 Install one Domestic Containment RP Backflow Assembly 1 1

Bldg Recommendations

Existing NEW

Adjust Height /

Orientation

Install Shut

Off Valve

Hose

Bibb Domestic RP Fire DCVA Irrigation BFP

UNK 1/2" 3/4" 1.5" 2" UNK 3" 4" 6"

137 1287 Install one Domestic Containment RP Backflow Assembly 1 1

138 1305 Install one Domestic Containment RP Backflow Assembly 1 1

139 1307

Install one Domestic Containment RP Backflow Assembly & Relocate existing assembly to proper height. 1 1 1

140 1309 Install one Domestic Containment RP Backflow Assembly 1 1

141 1314 Install one Domestic Containment RP Backflow Assembly 1 1

142 1315 Install one Domestic Containment RP Backflow Assembly 1 1

143 1316 Install one Domestic Containment RP Backflow Assembly 1 1

144 1317 Install one Domestic Containment RP Backflow Assembly 1 1

145 1318 Install one Domestic Containment RP Backflow Assembly 1 1

146 1332 Install one Domestic Containment RP Backflow Assembly 1 1

147 1379 Install one Domestic Containment RP Backflow Assembly 1 1

148 1380 Install one Domestic Containment RP Backflow Assembly 1 1

149 1381

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 12 1 1

150 1406 Install one Domestic Containment RP Backflow Assembly 1 1

151 1406 Recommend Relocating Backflow Assembly to proper height 1

152 1410 Install one Domestic Containment RP Backflow Assembly (Mechanical room #1 ) 1 1

153 1448 Install one Domestic Containment RP Backflow Assembly 1 1

154 1516 Install one Domestic Containment RP Backflow Assembly 1 1

155 1542 Install one Domestic Containment RP Backflow Assembly 1 1

156 1550

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly 1 1 1 1

157 1580 Install one Domestic Containment RP Backflow Assembly 1 1

158 1582 Install one Domestic Containment RP Backflow Assembly 1 1

159 1680 Install one Domestic Containment RP Backflow Assembly 1 1

160 1708 Install one Domestic Containment RP Backflow Assembly 1 1

161 1801 Install one Domestic Containment RP Backflow Assembly 1 1

162 1812 Install one Domestic Containment RP Backflow Assembly 1 1

163 1818 Install one Domestic Containment RP Backflow Assembly 1 1

164 2600 Install one Domestic Containment RP Backflow Assembly 1 1

165 2691 Install one Domestic Containment RP Backflow Assembly 1 1

166 2693 Install one Domestic Containment RP Backflow Assembly 1 1

167 2694 Install one Domestic Containment RP Backflow Assembly 1 1

168 2698 Install one Domestic Containment RP Backflow Assembly 1 1

169 2699 Install one Domestic Containment RP Backflow Assembly 1 1

170 3029 Install one Domestic Containment RP Backflow Assembly 1 1

171 3218 Install one Domestic Containment RP Backflow Assembly 1 1

172 3223

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly. All Hose Bibbs require Hose Bibb Vacuum Breakers. 12 1 1 1 1

173 4017 All Hose Bibbs require Hose Bibb Vacuum Breakers. Repair Required: 25

174 4572

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers (Approximately 20 campsites) 20 1 1

175 5025 Install one Domestic Containment RP Backflow Assembly 1 1

176 5025 Recommend Relocating Backflow Assembly to proper height 1

177 5026 Install one Domestic Containment RP Backflow Assembly 1 1

178 6006 Install one Domestic Containment RP Backflow Assembly 1 1

179 6007 Install one Domestic Containment RP Backflow Assembly 1 1

180 6010

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 7 1 1

181 6011

Install one Domestic Containment RP Backflow Assembly and Repair required install outlet shut off valve 1 1

182 6014 Install one Domestic Containment RP Backflow Assembly 1 1

183 6016 Install one Domestic Containment (1/2" Copper Line) RP Backflow Assembly 1 1

184 6021 Install one Domestic Containment RP Backflow Assembly 1 1

185 6022 Install one Domestic Containment RP Backflow Assembly 1 1

186 6023

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 8 1 1

187 6027 Install one Domestic Containment RP Backflow Assembly 1 1

188 6028 Install one Domestic Containment RP Backflow Assembly 1 1

189 6030 Install one Domestic Containment RP Backflow Assembly 1 1

190 6037 Install one Domestic Containment RP Backflow Assembly 1 1

191 6041 Install one Domestic Containment RP Backflow Assembly 1 1

192 6043 Install one Domestic Containment RP Backflow Assembly 1 1

193 6051 Install one Domestic Containment RP Backflow Assembly 1 1

194 6055 Install one Domestic Containment RP Backflow Assembly 1 1

195 6056 Install one Domestic Containment RP Backflow Assembly 1 1

196 6063

Install one Domestic Containment RP Backflow Assembly and 1 HBVB needed on side of building 6 1 1

197 6067 Install two Domestic Containment RP Backflow Assembly 2 2

Bldg Recommendations

Existing NEW

Adjust Height /

Orientation

Install Shut

Off Valve

Hose

UNK 1/2" 3/4" 1.5" 2" UNK 3" 4" 6"

198 6070 Install one Domestic Containment RP Backflow Assembly 1 1

199 6085 Install one Domestic Containment RP Backflow Assembly 1 1

200 7019 Install one Domestic Containment RP Backflow Assembly 1 1

201 7020 Install one Domestic Containment RP Backflow Assembly 1 1

202 7025 Install one Domestic Containment RP Backflow Assembly 1 1

203 7026 Install one Domestic Containment RP Backflow Assembly 1 1

204 7028

Install one Domestic Containment RP Backflow Assembly and one DCVA Fire

Backflow Assembly 1 1 1 1

205 7033 Install one Domestic Containment RP Backflow Assembly 1 1

206 9400 Install one Domestic Containment RP Backflow Assembly 1 1

207 9405 Install one Domestic Containment RP Backflow Assembly 1 1

208 9420 A Install one Domestic Containment RP Backflow Assembly 1 1

209 9431 Install one Domestic Containment RP Backflow Assembly 1 1

210 9435 Install one Domestic Containment RP Backflow Assembly 1 1

211 9442 Install one Domestic Containment RP Backflow Assembly 1 1

212 9443 Install one Domestic Containment RP Backflow Assembly 1 1

213 9460 Install one Domestic Containment RP Backflow Assembly 1 1

214 9462 Install one Domestic Containment RP Backflow Assembly 1 1

215 9470 Install one Domestic Containment RP Backflow Assembly 1 1

216 9480 Repair required: Re‐position Backflow Assembly to Proper Height. 1

217 9484 Repair required: Re‐position Backflow Assembly to Proper Height. 1

218 9490 Install one Domestic Containment RP Backflow Assembly 1 1

219 9491 Install one Domestic Containment RP Backflow Assembly 1 1

220 9496 Install one Domestic Containment RP Backflow Assembly 1 1

221 9497 Install one Domestic Containment RP Backflow Assembly 1 1

222 9498 Install one Domestic Containment RP Backflow Assembly 1 1

223 9706 Install one Domestic Containment RP Backflow Assembly 1 1

224 9708 Install one Domestic Containment RP Backflow Assembly 1 1

225 9709 Install one Domestic Containment RP Backflow Assembly 1 1

226 9710 Install two Domestic Containment RP Backflow Assembly 1 1

227 9718 Install one Domestic Containment RP Backflow Assembly 1 1

228 9719 Install one Domestic Containment RP Backflow Assembly 1 1

229 9720 Install one Domestic Containment RP Backflow Assembly 1 1

230 9725 Install one Domestic Containment RP Backflow Assembly 1 1

231 9727 Install one Domestic Containment RP Backflow Assembly 1 1

232 9730 Install one Domestic Containment RP Backflow Assembly 1 1

233 9732 Install one Domestic Containment RP Backflow Assembly 1 1

234 9733 Install one Domestic Containment RP Backflow Assembly 1 1

235 9738 Install three Domestic Containment RP Backflow Assembly 3 3

236 9738 Recommend Relocating Backflow Assembly to proper height 1

237 9742 Install one Domestic Containment RP Backflow Assembly 1 1

238 9768

Install one DCVA Fire Backflow Assembly. Repair required: Domestic Backflow device re‐mounted to accessible level. 1 1 1

239 9910

Install one Domestic Containment RP Backflow Assembly. All Hose Bibbs require

Hose Bibb Vacuum Breakers 22 1 1

Bldg Recommendations

Existing NEW

Adjust Height /

Orientation

Install Shut

Off Valve

Hose