INSTALL_1992 - Laserfiche WebLink

Home Browse Search

As analternate to th ssible board,a-3"diameter riser(12"long) F9. Electrical Connecti can be used to isolal ing sump from me traffic slab.Allow a6" minimum clearance between the bottom of the nser and top of the double The 1"NPT electrical couplings are field-installed using a grommet for a wall pipe. compression seal.The optional fitting kit includes four threaded coupl- ings,4grommets.and one hole saw blade.See sections Hl-H3 for F12. Traffic Slab //�� installation details. WARNING:TO PREVENT FIRE OR EXPLOSION HAZARD,0/C Model series PS piping sumps can be accessed through a24"street TANKS RECOMMENDS THE USE OF AIR-DRIVEN TOOLS.DO NOT box;model series SPS sumps require a30"s7eet box. USE ELECTRIC POWER TOOLS WHERE FLAMMABLE VAPORS OR Traffic areas requirearebar reinforced concrete road surface to span the LIQ UI DS EXIST.MOVE THE PI PI NG SUMP TO A SAFE AREA PRIOR underground void created a rebar r inforc d sums. TO DRILLING WITH ELECTRICAL TOOLS IF FLAMMABLE VAPORS 9 9 OR LIQUIDS EXIST.WHEN DRILLING,BE SURE TO WEAR GLOVES AND EYE PROTECTION. F13. Piping Sump Sensor F10. Monitoring pping Sump Sensor Tojuncanopx The pipi ng sump can be equipped at the jobsite with an optional monitor model PSS to detect the presence of liquid in the piping sump.The monitoring sensor read wsY z mer. should be placed in a protective rasing,which has been perforated.The casing is fastened to the sensor mounting bracket on the side of the pip- Ing roc ing sump using amounting clamp. The optional 01C TAN KS factory supplied pi pe sump sensor is al ready M«norxy cmme mounted inside a plastic casing and is supplied with the mounting clam p. sensor If the monitoring sensor detects liquid in the piping sump,O/C mounting TANKS recommends that the power on the submersible pump be bracket disconnected.This can be performed automatically by providing an electrical feedback circuit from the monitoring system to disengage the staa+ev sn�et submersible pump.(See section 04:Transmission Contact Switch.) float �o a o PertoraWi pissed,casuig F11 . Backfilling and Clearances After completing all piping and electrical connections,the top and bottom halves of the piping sump are cemented together.Clean the joint area to insure maximum bonding strength.Use the two-part adhesive supplied by the fiberglass pipe vendor.Apply a generous amount of mixed Using the supplied mounting clamp,mounr:ne piping sump sensor on adhesive to both the bottom and the top joint.Place the top half into posi- thesensor mounting bracket.For maximum sensitivity,the sensor must tion and press down to squeeze out the excessive adhesive.Follow other rest on the bottom of the pi ping sump. installation instructions provided by the adhesive manufacturer. The float switch is activated after 2"of liquid nas accumulated in the bot- H and place gravel around and under the bottom of the piping sump. tom of the pi pi ng sump—approximately 12 gallons of liquid.To improve the sump sensor sensitivity,add 2"of gravel to the bottom of the piping • The piping sump must be Isolated from direct tmfffc loading. sump With gravel,the sensor is activated by approximately 5 gallons of liquid.If gravel is used in the sump bottom,wrap the sump sensor sides crani«cae caxmre•• and bottom with filter fabric to prevent small stones or grit from entering eecar«„emea Surface M«uniaa •5 cedar a'oc boN ways Peng Sump M0del PS42-22C shown the sensor casing. f cedar mat must e.teM The piping sump sensor can be wired directly to the 0/C TANKS supplied UeelnaldreCMM1a z4•saee�eoa•• s• k«n cenmrd roar electronic control panel or can be indirectly wired to the control panel an optional switch panel Forintrinsicdlly safe wiring,use 16 AWG . ... . a '' or 14 AWG type THHN ortype MTW(contracmr supplied)and NEMA-4 .z:� junction boxes.All electrical connections must dein accordance with r mimum•t r:`. local and national electrical codes. (eo,ryress4@ roam board•• After the sensor is installed and connected to an operating control panel, 4e•t,4e-w.z•rr k - the sensor can be tested by lifting the trip rod located on the top of the L sensor. eon 10 Dncole.�A For details of wiring the Model PSS sensor see Figures D and E. POe Ga5ket5 6- Frut P,ngae F14. Maintenance Under Burry bottom h4wway cow,with bangs ••Co«rxr«suppled items Use caution for normal maintenance or inspection of the submersi- ble pump and piping located in the piping sump. Note:Sensor wring must be in water tight conduit and junction boxes.Keep intrinsically sale WARNING:FUEL VAPORS MAY BE PRESENT IN THE PIPING wiring separate from non-intrinvicetiy sate wiring. SUMP.TO PREVENT FIRE OR EXPLOSION HAZARD,KEEP ALL Allow a2"minimum clearance between the to of the piping sum and IGNITION SOURCES AWAY WHEN REMOVING THE PIPING SUMP the bottom of the concrete pad.Backfill to the top of the piping sump,then LID' place compressible foam board(48"L maximum x 48"W maximum x 2"thick—or equivalent layers)on top of the piping sump.The 9"thick F15. Future Periodic Testing concrete traffic slab can be poured directly onto the compressible foam board.However,the concrete must not come into direct contact Toleaktesttheptping sump,place six(6)inches of water in piping sump with the piping sump.Styrofoam or urethane foam sheathing maybe and use the standing water test described in section F6.Leak test at least used for the compressible board(contractor supplied);the minimum once ayear. length and width of the compressible board is 42". 13