2.20.2
SOURCE QUALITY CONTROL
2.20.3
Instrument Air Compressor Package
Factory test air compressor package at full load for not less than 2 hours.
Check capacity, smoothness of operation, alternation of units, and proper
operation of air unloaders during test.
PART 3
EXECUTION
3.1
INSTALLATION
Install materials and equipment as indicated and in accordance with
manufacturer's recommendations.
3.1.1
Boiler and Equipment Installation
Boiler and equipment installation shall be strictly in accordance with this
specification, and installation instructions of the manufacturers. Grout
equipment mounted on concrete foundations before installing piping.
Install piping in such a manner as not to place a strain on equipment. Do
not bolt flanged joints tight unless they match adequately. Expansion
bends shall be adequately extended before installation. Grade, anchor,
guide and support piping, without low pockets.
3.1.1.1
Boiler and Equipment Foundations
Of sufficient size and weight, and proper design to preclude shifting of
equipment under operating conditions, and under abnormal conditions which
could be imposed upon equipment. Design boiler foundation to accommodate
and support stoker and incorporate stoker ash pits. Limit equipment
vibration to within acceptable limits, and isolate. Foundations shall be
adequate for soil conditions of the site and shall meet requirements of the
equipment manufacturer. Trowel exposed foundation surfaces smooth except
properly roughen surfaces to receive grout.
3.1.1.2
Installing Stoker Ash Pit Firebrick
Lay up in air-setting mortar. Dip each brick in mortar, rub, place into
its final position, and then tap with a wooden mallet until it touches
adjacent bricks. Mortar thick enough to lay with a trowel will not be
permitted. Maximum mortar joint thickness shall not exceed 3 mm 1/8 inch
and average joint thickness shall not exceed 1.60 mm 1/16 inch.
3.1.1.3
Forced and Induced Draft Fans
Set, shim level, anchor and grout each fan assembly into place prior to
setting driver. Properly shim driver on base plate using steel shim stock.
Shims shall be full size of feet and shall have slotted hole for
installation. After drive has been properly aligned and shimmed, by an
approved millwright, millwright shall drill and ream foot and base plate
and install taper pins with nut on top for pullout removal. One front foot
and diagonally opposite rear foot shall be pinned to base plate. Equipment
shall be adequately bolted in place in an approved manner. Level and grout
fan and bearing pedestal sole plates in place.
3.1.1.4
Stack
Install level and plumb.
Erected stack shall be no more than 25 mm one inch
SECTION 15501N
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