554-23-109 Insulation Location List.pdf

Item # Quantity Equipment Tag Item Description Work Description Ref. 554‐23‐109 Insulation Location Pictures

1 5 6‐PRV‐1 Gate Valves Remove existing insulation and replace with removable blanket covering flange connections, valve body, and bonnet. OS&Y to remain exposed.

Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 1

2 2 6‐PRV‐1 Control Valves Remove existing insulation (where applicable) and replace with removable blanket covering connections and flush with permanent insulation. Pilot regulator to remain exposed. Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 1

3 2 6‐PRV‐1 Y‐Strainer Remove existing insulation and replace with removable blanket covering connections. Drain valve to remain exposed. Repair cut ends of existing permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 1

4 1 6‐PRV‐1 Start‐up bypass Line Install permanent insulation leaving stem of globe valve exposed. Figure 1 5 2 6‐PRV‐1 Steam Traps Install removable blanket extending to unions. Leave integral isolation valve handle exposed. Figure 1

6 4 6‐PRV‐2 Gate Valves Remove existing insulation and replace with removable blanket covering flange connections, valve body, and bonnet. OS&Y to remain exposed.

Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 2

7 2 6‐PRV‐2 Control Valves Remove existing insulation (where applicable) and replace with removable blanket covering connections and flush with permanent insulation. Pilot regulator to remain exposed. Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 2

8 2 6‐PRV‐2 Y‐Strainer Remove existing insulation and replace with removable blanket covering connections. Drain valve to remain exposed. Repair cut ends of existing permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 2

9 1 6‐PRV‐2 Start‐up bypass Line Install permanent insulation leaving stem of globe valve exposed. Figure 2 10 2 6‐PRV‐2 Steam Traps Install removable blanket over trap extending to unions. Leave integral isolation valve handle exposed. Figure 2 11 1 6‐PRV‐2 Globe Valve Install removable blanket over valve body extending to existing permanent insulation. Leave valve stem exposed. Figure 2

12 13 Steam Header Gate Valves Remove existing insulation and replace with removable blanket covering flange connections, valve body, and bonnet. OS&Y to remain exposed.

Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 3 and 4

13 2 Steam Header Steam Traps Install removable blanket over trap extending to unions. Leave integral isolation valve handle exposed, if applicable. Figure 4

14 8 6‐BFT‐1/2/3/4 Blowdown Valves Two valves per boiler. Install removable insulation blanket to include upstream flange. Leave valve handle exposed and operable with insulation in place. Figure 5

15 4 6‐BFT‐1/2/3/4 Flanged Ports One blind flanged port per boiler labeled feed water. Install removable blanket insulation covering flanges and flush with boiler skin. Figure 6

16 28 6‐BFT‐1/2/3/4 Hand Access Ports Six 6" diameter hand access ports and one larger 12" port on each boiler. Cover port with removable blanket insulation. Install strap anchors in boiler skin to hold in place. Figure 6 and 12

17 4 6‐BFT‐1/2/3/4 Rear Door Plate One 24" diameter plate with site glass on rear door of each boiler. Cover plate with removable blanket insulation. Install strap anchors in boiler skin to hold in place or utilize existing bolts. Figure 7

18 8 6‐BFT‐1/2/3/4

Discharge Isolation Valves

Two isolation valve per boiler. Remove existing insulation and replace with removable blanket covering flange connections, valve body, and bonnet.

OS&Y to remain exposed. Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 8

19 4 6‐BFT‐1/2/3/4 Start‐up bypass Line Install permanent insulation leaving stem of globe valve exposed. Figure 8

20 6 6‐DHX‐1/2/3 Control Valves

Two control valve per water heater. Provide removable blanket for valve body, leaving stem exposed and extending over connecting flanges.

Install permanent insulation to match existing upstream and downstream of control valves from Y‐strainer to vacuum breaker cross for areas not covered by removable blankets. Figure 15 ,18, and 20

21 3 6‐DHX‐1/2/3 Steam Traps Install removable blanket on vacuum breaker cross and steam trap below vacuum breaker cross. Leave trap monitor housing exposed. Figure 15 ,18, and 20

22 3 6‐DHX‐1/2/3 Gate Valves One isolation gate valve per water heater. Remove existing insulation and replace with removable blanket covering flange connections, valve body, and bonnet. OS&Y to remain exposed. Repair cut ends of permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 16, 17, and 19

23 3 6‐DHX‐1/2/3 Y‐Strainer One inlet y‐strainer per water heater. Remove existing insulation and replace with removable blanket covering connections. Drain valve to remain exposed. Repair cut ends of existing permanent insulation. Blanket to be flush with or overlapping permanent insulation. Figure 16, 17, and 19

24 3 6‐DHX‐1/2/3 Steam Traps Install removable blanket insulation on steam traps on supply line drip legs. Leave trap monitor housing exposed. Figure 21, 22, and 23 25 3 6‐DHX‐1/2/3 Steam Traps Install removable blanket insulation on large steam traps serving the water heaters. Figure 24, 25, and 26 26 3 6‐DHX‐1/2/3 Y‐strainer Install removable blanket insulation on y‐strainers upstream of water heater steam traps. Figure 24, 25, and 26

554‐23‐109 Insulation Location List