1655 6 sanitary sewer specifications part 1 pdf engineering 2a8bb8274916500996a5fed9492118a1 390543770da6e9077e89b045675bbc17781a2728c40df7c3f23c558b61e0436e 205×300 _zxbhz8oz4w2d thumb jpg 2019 04 18 09 27 0 1000 pdf application city of wilmington sanitary sewers policy for extensions and connections 1 the following is guide procedures to follow before accepts a new sewer line or connection into system it does not replace existing federal state local laws ordinances but those rules 2 initial conference with director public service developer owner should discuss general location b nature size facility that will generate wastewater flow 3 if non residential provides type business standard industrial code sic c processes materials chemicals be used proprietary information kept confidential d estimated quantity water concerned 4 inform applicable pre treatment requirements ordinance 5 extension required in addition then detailed plans specifications by registered professional engineer these are governed engineering standards as well ohio epa ten engineers generally familiar copies may obtained from s office nominal charge an estimate flows proposed including average peak current proposal any planned expansions estimates must show rationale calculation correspondence between 6 retained available details on locations elevations manholes at point uses this complete item 7 below other necessary files lift stations pumps gravity force mains design oepa requires four completed permit install all associated forms such data sheet pump station 8 after review satisfied provide recommendation approval letter sent 9 completes process grants final receiving 10 pays fees concurrent applying directed 11 finances constructs under inspection construction testing meet 12 lines tested per equipment personnel do tests observed inspector who provided 13 surveying legal descriptions documents utility easement along recording clinton county recorder dedication structures note action council 14 satisfaction technical acceptance takes over responsibility maintenance 0 material pipe fittings pvc through 15 astm d3034 18 27 f679 wall thickness t sdr 35 joints conform d3212 range stiffness 50 psi min deflection marking intervals max schedule plastic specification grade precast reinforced concrete c478 eccentric cone sections conforming drawings minimum diameter shall 48 inches adjusting rings steps steel polypropylene joint gaskets premium flexible o ring rubber c443 resilient connectors c923 press wedge inverts fill class form smooth invert channel made shape slope smoothness installed end each changes alignment intersections distances greater than 300 feet page_text extracted_title num_pages frame cover cast iron a48 manufacturer east jordan works designation have raised letters vent holes eight ¾ 26 c1784 bell spigot push gasket groove d1869 go no mandrel whenever contractor installs he responsible perform pipeline installation less 30 days has been accomplished pulling approved every limited failing test removed relaid damaged replaced acceptable expense retested cost borne incidental bid low pressure air completing backfill reach main its connected laterals conduct using suitable preferably pneumatic plugs single control panel gauges proceeding seal inserting one length inflating 25 psig pressurize sealed piped five hold against without bracing movement check out satisfactorily insert plug manhole close ends property means brace insure blowing relief valve compressor set pounds protect excessive introduce high until registers more ground least two minutes allow stabilize stabilization period shut off supply portion being termed time drop pound shown ncpi table various sizes 100 ft 21 24 33 36 39 42 vacuum immediately assembly prior backfilling plugged shrink grout placed horizontal pipes entering taking care securely drawn head inside top section inflated accordance recommendations mercury valves closed measured pass 60 seconds 75 90 72 fails repairs while retesting proceed satisfactory reserves right tightness photography television appropriate repaired additional chimney sealing internal specified located where infiltration important factor heights covered itself manufactured cretex specialty products equal showing seals dimension criteria needed their use attached back sleeves 16 extruded molded compound 1500 tensile strength maximum compression hardness durometer bands compressing sleeve fabricated gauge stainless a240 304 nuts bolts band f593 f594 double triple pleat unexpanded height capable vertical when costs furnishing included unit price features smaller discharges larger lowered sufficiently maintain same energy gradient method securing result place depth both elevation maintained illegal roof drains foundation clean prohibited there physical private potable appurtenance thereto which would passage polluted separation laid foot closer separate trench crown bottom impossible inch constructed encased withstand distance sides case crossing utilities refer parallel horizontally edge cases practical reviewing authority deviation basis supported undisturbed earth shelf side above crossings outside either full so far possible special structural support exception specifically approve variance obtain cannot met equivalent ensure come contact part sources contamination exercise caution locating near certain sites sewage plants complexes individual septic tanks avoided establish specific source notes downspouts curb underdrain unless drainage methods catch basin natural drainageway manner 480 volts phase mercurty float switch level alternate rail 20 amp electric outlet aluminum hatch entry solids lever weight seat swing discharge include nipple ball accept ½ 900 hour meter models flygt submersible model cp gorman rupp jsv3b20 w duplex t4a3 piping controls analyze pdf_pages timings