Job memorandum regarding emergency pump testing at 7 World Trade

NYC 9/11 Public Portal Document 49 . G7A7 FLEET ASSOC." INC hflX NU. JUHOdbUdi r. uo

SureSite’ Visual Liquid Level Indicators < ...the safe alternative to cloudy, breakable sight glasses. High Visibility—emilantly colored flags are easy to read, even at great dis­ tances. The indicator is isolated from the measured media; therefore, SureSite Indicators can be used where sight glasses are not even a consideration.

iS L Durability—Stainless steel, PVC, CPVC, Polypropylene, PVDF, Hastelloy or other exotic housings, whatever the media requirements, provide years Of maintenance-free service. Environmentally Sals-—Monitored liquid is contained Inside a pressure- 1^ tight housing. Efficient—Continuous level indication without external power. HNtb Electronic Control—Attach optional point level switches and/or continu­ ous level transmitters to extend capabilities beyond those of a simple sight glass. I" SureSite Indicators may be configured to suit most tanks or liquid media—from a simple, stand-alone level Indicator to an integrated electronic component for use within a process control system. A fully equipped version is shown at right m GEMS offers numerous options to provide versatility and to extend or en­ 3 hance the operation of these indicators, indicating Scales, for example, 3 RI add a numerical reference to the standard visual display; Switch Modules 3 provide low-, high- or intermediate-level alarms or control logic and Con­ tinuous Level Transmitters send signals to remote receivers, recorders X and controllers. A wide range of materials, sizes and connection fittings are available. 5 in addition, GEMS provides many manufacturing options such as special wading methods, custom configurations, non-standard flange sizes and exotic materials. Don't hesitate to call for special requirements not ad­

I dressed In this catalog.

GEMS Serves the OEM and End User OEMS welcomes any size order...whether a single unit or 100 units or more, GEMS commitment is to meet your most stringent requirements of Sunawe SIM MMBUrtSiM price, delivery and quality. **>y Mar

Operating Princiole iniBHiar As nquitf level rises, a maflrw-equippefl float ShreSite* Indicators I SB! njMN. sne-our within me unit inverts the magnetic nags in the external indicator to “eolor-sWe-ouf The flags in the Process... ^21 remain maonetfcally mtarlociiBd in a column until Many applleaflans require high . fUM again invenad to 'oontrastino-side-ouf by me temperaiura/prmurecaqabiiitfes. MAfiWfTiC float as liquid level falls. Liquid level is indteaod by or strict adherence Industry / tn« junction of the "color' and “contrwtSng" standards such as portonsoftfie • ANSl/ASME column. •CRN •Lrt ow*ei •NACE t -CENELEC •CSA / • FM / UOlffi •UL / GEMS Process SureSite ir^olcaton an I'Gafc; fill mm requirements. Request GEMS Form No. nwa information.

AUG 17 1999 10=56 PAGE.04

NYC-WTC_000172157