SPX Cooling Technologies Marley MD Specifications, Specification Value, Ladder Extension

Marley / MD CoolingTower / Specifications: Options

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	Specifications	Specification Value
	Convenience and Safety Options
	Mechanical Access Platform:
10.2 Add the following paragraph in		■ Periodic inspection and maintenance of a cooling tower distribution sys-
	the Access section: There shall be	tem is fundamental to preserving maximum cooling system efficiency.
	a mechanical access platform at the	All cooling towers—crossflow or counterflow—are subject to clogging
	mechanical access door allowing	to varying degrees by waterborne contaminants such as pipe scale and
	access to the mechanical system, drift	sediment. Therefore, safe and easy access to these components is of
	eliminators, distribution system and fill.	significant value to the operator.
	The platform shall be galvanized steel	Access can be provided in a number of ways, including portable lad-
	bar grating, supported by galvanized
	steel framework attached to the tower.	ders or scaffolding, but for maximum safety and convenience, a field
	The platform shall be surrounded by	installed Marley access platform with guardrails is available to make
	a guardrail, kneerail, and toeboard	this task as safe and user-friendly as possible. Further, its location on
	designed according to meet local	the side of the tower does not add to the height of the unit, preserving
	safety requirements. A ladder shall be	architectural integrity. It also saves the owner time and money, in that
	permanently attached to the platform	maintenance personnel may devote their time to inspection rather than
	and to the casing of the tower, rising	searching for ladders or erection of portable scaffolding.
	from the base of the tower to the top
	of the handrail.
	Ladder Extension:
10.2 Add the following to the end of para-		■ Many cooling towers are installed such that the base of the unit is 60cm
	graph 10.2: Provide a ladder extension	or more above the roof or grade level. This makes it difficult to get up
	for connection to the foot of the ladder.	to the foot of the attached ladder. The ladder extension alleviates this
	This extension shall be long enough to	problem. Marley ladder extensions are available in standard 1.5m and
	rise from the roof (grade) level to the	3.5 lengths.
	base of the cooling tower. The install-
	ing contractor shall be responsible for
	cutting the ladder to length; attaching it
	to the foot of the cooling tower ladder;
	and anchoring it at its base.
	Ladder Safety Cage:
10.3 Add the following paragraph in the
	Access section: A welded aluminum
	safety cage shall surround the ladder,
	extending from a point approximately
	2m above the foot of the ladder to the
	top of the handrail.