PIPE AND FITTINGS STORAGE AND HANDLING
PIPE AND FITTINGS STORAGE AND HANDLING
PIPE AND FITTINGS STORAGE AND HANDLING
5 WORK PROCEDURE
5.1 Pre Installation Requirements
a) Permission to start installation has been given by the main contractor.
b) All preceding trades have completed their works.
c) Check and confirm that plinths have been casted as per approved construction drawings.
d) Fire Fighting System Installation Detail Shop Drawing has been approved and issued for construction.
e) All materials required for installation are available and are inspected and approved by the Engineer.
f) Scaffolding necessary for installations are correctly built, safe & suitable for the purpose.
g) Temporary lighting & power source is available in location and protection settings are correct.
h) Details of installations & manufacturer’s recommendations if any are available on site.
i) Inspect all materials and verify that they are undamaged.
j) Ensure that the pipe sleeves are installed or that a pipe sleeve intact or inserted in the fire fighting
pipe where a wall expected to be erected is crossed.
k) All shop drawing and material submittal are approved.
5.2 Painting of Pipes
a) Clean the Pipe.
b) Clean the galvanized pipe with cotton rag to remove any dust or grease on the pipes.
c) After cleaning, apply Wash Primer paint. Please ensure both sides (top & bottom) are painted evenly.
d) Wait for 1hr. before applying the Red Oxide Primer.
e) Apply Red Oxide Primer paint. Please ensure both sides (top & bottom) are painted evenly.
f) Wait for 12 hrs before applying Synthetic Enamel Gloss
g) Apply First coat of Synthetic Enamel Gloss paint. Please ensure both sides (top & bottom)
are painted evenly.
h) Put the painted pipes in a good ventilation condition for 24 hours to dry the paint.
i) After the paint dried, apply the Final Coat of Synthetic Enamel Gloss for final coat. Please ensure both
sides (top & bottom) are painted evenly.
j) Allow the surface to dry within 24 hrs. Before install the pipes.
5.3 Fabrication of pipe
7.3.1 Threading (50mmØ & below shall be threaded type)
a) Check to ensure the cutter, Reamer and Die head are swung to UP position.
b) Make the pipe at desired length; if it is being cut to length
c) Place the pipe in between the machine and cut it by using cutter. Use reamer to clear the edge.
d) Place the die head on the position.
e) Turn carriage hand wheel to bring dies against end of pipe. Continue applying pressure to hand
wheel to start dies.
f) When desired length of thread has been reached, de-press release handle to discharge latch. Die
head will open automatically.
g) Release foot switch and then turn carriage hand wheel clockwise to back die head off.
h) Swing dies head to UP position.
i) After threading provide jute for the assembling of elbow and pipe.
7.3.2 Grooving (65mmØ & above shall be grooved type)
a) Lift the pipe by hand or other equipment’s like pulley block or Chain block and rest the pipe one
side on the stand; other side, insert between the grooving upper and lower rollers
b) Adjust the rollers to hold the pipe.
c) Start the Grooving Machine
d) Apply the Hydraulic pressure to groove wheel till it reaches the specified depth.
e) Stop the machine and remove the pipe.
f) Check the groove width and finish.
g) If found OK, send for installation.
7.3.3 Mechanical Grooved Coupling Installation
a) Remove one nut and bolt from housings. Loosen the other nut until it is flush with the end of the
bolt. Remove the gasket from the housings. Make sure that the gasket is clean. Always lubricate the
gasket with a lubricant known to be compatible with the service application.
b) Check suitability of gasket for intended service and apply a thin coat of silicone or other compatible
pipe lubricant to gasket lips and outside of the gasket, if the gasket surface does not have lubricate.
c) Insert and push the gasket over one of the grooved ends of the two pipes to be joined. Gasket lip
should not overhang pipe end.
d) Align and bring the pipe ends together and slide gasket into position centered between the grooves
on each pipe. Gasket should not extend into groove on either pipe
e) Place housings over gasket and apply pressure by hands to engage the keys into the grooves. Insert
bolts and apply nuts finger tight. Make sure the tongue and groove match to avoid coupling failure.
f) Tighten nuts alternately and equally until housing bolts pads are firmly together, metal-to-metal.
Uneven tightening will pinch the gasket. On some coupling models, there may be a slight gap at bolt
pads.
g) Visually inspect the pipe joint to assure the coupling keys are fully engaged in the pipe grooves.
The bolt pads are to have equal gaps on each side of the coupling.
Warning: Do not make adjustment to grooved products while the piping system is under pressure
7.3.4 Mechanical -T Installation
a) Drill the hole on the pipe in according to the manufacturer’s specification.
b) Remove 1 nut and bolt from housing. Loosen the other nut until it is flush with the end of the bolt.
Remove the tape and lift the gasket from Mechanical-T outlet.
c) Check gasket supplied to be certain it is suited for intended service. Apply a thin coat of silicone
lubricant to gasket lips and outside of gasket.
d) Reposition gasket into housing using alignment tabs on slides for proper positioning.
e) Rotate the lower housing approximately 90 degree away from the upper housing. Place the upper
section onto the face of the pipe in line with outlet hole. Rotate the lower section around the pipe end
and close the 2 halves.
f) Make sure that the locating collar is in the outlet hole by rocking the upper housing in the hole.
h) Insert bolt in its hole and finger tighten both nuts. Be certain oval-neck of bolt engages recess in
housing. Make sure that the locating collar is in the outlet hole and the positioning lugs are properly
aligned.
i) Tighten bolt nuts uniformly until the upper housing is in complete surface contact in the gasket
pocket area and the assembly is rigid.
i) Check to ensure that piping should be blown clear to remove scales and burrs.
j) Assembly is complete.
7.3.5 Drop in Anchor Installation
a) Identify the actual location of the hanger based on the approved shop drawing. Mark the position
for installing the drop in anchor.
c) Check the hanger size to confirm the depth of the hole to be drilled based on approved shop
drawings and manufacturer’s specification. Adjust depth gauge so anchor will be flush with the
base material surface
d) Check the hanger size to select the right drill bit. Then drill the hole according to the manufacturer’s
specification on the marked position.
e) Clean the drilled hole to ensure it is free of dust.
f) Insert the drop in anchor into the hole.
f) Hammering down the conical plug inside the anchor with setting punch.
h) Install the hanger rod into the drop in anchor.
7.3.6 Pipe Hanger Installation
a) Identify the actual location of the hanger based on the approved shop drawing. Mark the position
for installing the drop in anchor.
b) Install drop in anchor
c) Install the pipe either by screw fitting or welding.
d) Install Hanger Rod based on the pipe size. Install the hanger rod to the drop in
anchor.
e) Install the Hanger to the pipe and the hanger rod.
f) Tightening the bolts and nut that hold the hanger rod and hanger evenly
SHIELD Installation Instruction Sheet
For Rigid & Flexible Coupling
1. Pipe preparation 2. Lubricate gasket 3. Gasket installation 4. Alignment
Check pipe end for proper •Check gasket to be sure it's Slip the gasket over one pipe, •After aligning two pipe ends
groove dimensions and to compatible for the intended making sure the gasket lip does together, pull the gasket into
assure that pipe end is free of service. not over-hang the pipe end. position, centering between the
indentations and projections •Apply thin lubricant to the grooves on each pipe.
that would prevent proper outside and sealing lips of the •The gasket should not extend
sealing. gasket. into the groove on either pipe.
7 a. Assembly completed 7 b. Assembly completed
5. Housing installation 6. Tighten nuts
- Rigid Coupling - Flexible Coupling
•Romove one bolt&nut and •Firstly hand tighten nuts and For Rigid Coupling, keep the For Flexible Coupling, two
loosen the other nut. Place one make sure oval neck bolt gaps at bolt pads evenly housings should be iron to iron
housing over the gasket, completely fits into bolt hole. spaced. Gaskets can't be seen connected. Gaskets can't be
making sure the housing keys •Then securely tighten nuts visually. seen visually.
fit into the pipe grooves. alternatively and equally to the
•Swing the other housing over specified bolt torque by using
the gasket and into the grooves spanner.
on both pipes.
•Re-insert the bolt and connect
two housings.
Caution Specified Bolt Torque
Proper torquing of bolts is required to obtain specified ANSI BOLTS
performance. Bolt Size Specified Bolt Torque
- Over torquing the bolts may result in damage to the bolt and / or Inch Lbs-Ft. N.m
casting which could result in pipe joint separation. 3/8 30-45 40-60
- Under torquing the bolts may result in lower pressure retention 1/2 80-100 110-135
capabilities, lower bend load capabilities, joint leakage and pipe 5/8 100-130 135-175
joint separation. Pipe joint separation may result in significant 3/4 130-180 175-245
property damage and serious injury. 7/8 180-240 245-325
SHIELD Installation Instruction Sheet
For Grooved Flange
1. Pipe preparation 2. Lubricate gasket 3. Gasket installation
Check pipe end for proper groove •Check gasket to be sure it's Slip the gasket over pipe end, with the
dimensions and to assure that pipe compatible for the intended service. gasket opening side towards "A".
end is free of indentations and •Apply thin lubricant to the outside and Make sure the gasket sealing lip is
projections that would prevent proper sealing lips of the gasket. even with pipe end.
sealing.
4. Housing installation 5. Tighten nuts 6. Connect mating flange
•Romove bolts and nuts, place two Securely tighten nuts alternatively and •Align flange bolt holes with mating
housings over the gasket, making sure equally to the specified bolt torque by flange (or valve) bolt holes.
the housing keys fit into the pipe using spanner. •Insert a standard flange bolt through
grooves. bolt hole and hand tighten a nut.
•Re-insert the bolts and hand tighten •Insert another bolt opposite the first
the nuts. and hand tighten a nut. Continue this
until all bolt holes are fitted.
•Tighten nuts evenly to specified bolt
torque, so flange faces remain
parallel. Assembly completed.
Caution Specified Bolt Torque
Proper torquing of bolts is required to obtain specified METRIC BOLTS
performance. Bolt Size Lbs-Ft. N.m
• Over torquing the bolts may result in damage to the bolt and / M10 30-45 40-60
or casting which could result in pipe joint separation.
M12 80-100 110-135
• Under torquing the bolts may result in lower pressure
M16 - -
retention capabilities, lower bend load capabilities, joint
leakage and pipe joint separation. Pipe joint separation may M20 - -
result in significant property damage and serious injury. M22 - -
M24 - -
SHIELD Installation Instruction Sheet
For Threaded & Grooved Mechanical Tee
1. Pipe preparation 2. Remove burrs 3. Gasket installation
•Clean the gasket sealing surface within If any burrs or slug exists at the pipe •Insert the gasket into outlet housing
16mm of the hole. hole, please remove them before making sure the tab in the gasket line
•Visually inspect the sealing surface for assembly, to protect the gasket and up with the tab recesses in the housing.
defects that may prevent proper sealing avoid leakage. •Align outlet housing over the pipe hole
of the gasket. making sure that the locating collar is in
•Don't drill the hole on weld line. the pipe hole.
4. Alignment 5. Tighten nuts 6. Assembly completed
Align the strap around the pipe, insert Alternatively and evenly tighten the nuts There should be even gaps on two
the bolts and tighten the nuts finger to the specified bolt torque. sides between upper and lower
tight. housings.
Caution Specified Bolt Torque
Proper torquing of bolts is required to obtain specified ANSI BOLTS
performance. Bolt Size Specified Bolt Torque
• Over torquing the bolts may result in damage to the bolt and / Inch Lbs-Ft. N.m
or casting which could result in pipe joint separation. 3/8 30-45 40-60
• Under torquing the bolts may result in lower pressure
1/2 80-100 110-135
retention capabilities, lower bend load capabilities, joint
leakage and pipe joint separation. Pipe joint separation may 5/8 100-130 135-175
result in significant property damage and serious injury. 3/4 - -
7/8 - -
