hydrologic fieldwork manual stage gage installation and maintenance manual stage gage installation...

HYDROLOGIC FIELDWORKHYDROLOGIC FIELDWORK MANUAL STAGE GAGE INSTALLATION AND MANUAL STAGE GAGE INSTALLATION AND

MAINTENANCEMAINTENANCE

TIPPING-BUCKET RAIN GAGE TIPPING-BUCKET RAIN GAGE INSTALLATIONINSTALLATION

SURVEYING (LEVELING)SURVEYING (LEVELING)

E-19 REVISIONE-19 REVISION

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MANUAL GAGE INSTALLATION MANUAL GAGE INSTALLATION AND MAINTENANCEAND MAINTENANCE

STAFF GAGESTAFF GAGE

WIRE-WEIGHT GAGEWIRE-WEIGHT GAGE

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STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION

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STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION

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STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION

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STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION

GET PERMISSION FROM BRIDGE OR GET PERMISSION FROM BRIDGE OR POWER POLE OWNER BEFORE POWER POLE OWNER BEFORE INSTALLING A STAFF GAGE ON THE INSTALLING A STAFF GAGE ON THE STRUCTURE.STRUCTURE.

A WRITTEN APPLICATION WITH A WRITTEN APPLICATION WITH DRAWING SHOWING HOW GAGE DRAWING SHOWING HOW GAGE WILL BE ATTACHED TO THE BRIDGE WILL BE ATTACHED TO THE BRIDGE IS SOMETIMES REQUIRED.IS SOMETIMES REQUIRED.

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STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION SURVEY THE GAGE SITE AND DETERMINE SURVEY THE GAGE SITE AND DETERMINE

THE STAGE AT THE BASE OF THE THE STAGE AT THE BASE OF THE STRUCTURE (POWER POLE OR BRIDGE STRUCTURE (POWER POLE OR BRIDGE PIER). THIS IS THE STARTING STAGE FOR PIER). THIS IS THE STARTING STAGE FOR CONSTRUCTING THE STAFF GAGE.CONSTRUCTING THE STAFF GAGE.

MARK THE STRUCTURE AT A SPECIFIC MARK THE STRUCTURE AT A SPECIFIC STAGE. STAGE.

LINE-UP THE STAFF GAGE WITH THE LINE-UP THE STAFF GAGE WITH THE SPECIFIC STAGE MARKED ON THE POLE OR SPECIFIC STAGE MARKED ON THE POLE OR PIER AND ATTACH IT. EXTEND THE GAGE PIER AND ATTACH IT. EXTEND THE GAGE ABOVE THE FLOOD OF RECORD.ABOVE THE FLOOD OF RECORD. 77

STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION FOR ATTACHMENT TO A WOOD SURFACE, FOR ATTACHMENT TO A WOOD SURFACE,

USE RUST RESISTANT WOOD/LAG USE RUST RESISTANT WOOD/LAG SCREWS.SCREWS.

FOR ATTACHMENT TO CONCRETE, DRILL FOR ATTACHMENT TO CONCRETE, DRILL HOLES IN THE CONCRETE AND MOUNT HOLES IN THE CONCRETE AND MOUNT THE STAFF GAGE USING CONCRETE THE STAFF GAGE USING CONCRETE SCREWS (E.G.,TAPCONS). OPTIONALLY, SCREWS (E.G.,TAPCONS). OPTIONALLY, MOUNT THE STAFF GAGE ON A PIECE OF MOUNT THE STAFF GAGE ON A PIECE OF TREATED LUMBER (E.G., 2”X12”) AND TREATED LUMBER (E.G., 2”X12”) AND MOUNT THE LUMBER TO THE CONCRETE MOUNT THE LUMBER TO THE CONCRETE SURFACE USING STEEL ANCHORS AND SURFACE USING STEEL ANCHORS AND BOLTS, OR SELF-ANCHORING BOLTS.BOLTS, OR SELF-ANCHORING BOLTS.

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STAFF GAGE INSTALLATIONSTAFF GAGE INSTALLATION TOOLS NEEDED:TOOLS NEEDED:

– 3/8” DRILL FOR WOOD DRILLING3/8” DRILL FOR WOOD DRILLING– 3/8” OR ½” HAMMER DRILL FOR CONCRETE 3/8” OR ½” HAMMER DRILL FOR CONCRETE

DRILLINGDRILLING– WOOD AND/OR CONCRETE DRILL BITSWOOD AND/OR CONCRETE DRILL BITS– PORTABLE GENERATOR UNLESS DRILL IS PORTABLE GENERATOR UNLESS DRILL IS

BATTERY POWERED.BATTERY POWERED.– SCREWS/BOLTS/WASHERSSCREWS/BOLTS/WASHERS– SCREWDRIVER AND WRENCHSCREWDRIVER AND WRENCH– HAMMERHAMMER– CARPENTER’S LEVELCARPENTER’S LEVEL

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

OLDER STEEL RAILING WITH OLDER STEEL RAILING WITH VERTICAL POSTSVERTICAL POSTS

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

NARROW STEEL RAILINGNARROW STEEL RAILING

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

NEWERNEWER STEEL RAILING WITH STEEL RAILING WITH VERTICAL POSTSVERTICAL POSTS

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

CONCRETE RAILING WITH CONCRETE RAILING WITH OPENINGISOPENINGIS

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

CONCRETE RAILING WITH CONCRETE RAILING WITH OPENINGSOPENINGS

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

SOLID CONCRETE RAILINGSOLID CONCRETE RAILING

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

GET PERMISSION FROM BRIDGE GET PERMISSION FROM BRIDGE OWNER BEFORE INSTALLING A OWNER BEFORE INSTALLING A MANUAL STAGE GAGE ON THE MANUAL STAGE GAGE ON THE BRIDGE.BRIDGE.

A WRITTEN APPLICATION WITH A WRITTEN APPLICATION WITH DRAWING SHOWING HOW GAGE DRAWING SHOWING HOW GAGE WILL BE ATTACHED TO THE BRIDGE WILL BE ATTACHED TO THE BRIDGE IS SOMETIMES REQUIRED.IS SOMETIMES REQUIRED.

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

SET UP SAFETY SIGNS AND CONESSET UP SAFETY SIGNS AND CONES

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

MEASURE THE RAILINGMEASURE THE RAILING

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

CREATE THE BRACKETS – 3/8” OR CREATE THE BRACKETS – 3/8” OR ½” THREADED ROD½” THREADED ROD

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

DRILL HOLES IN GAGE FOR THE DRILL HOLES IN GAGE FOR THE BRACKETSBRACKETS

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

ATTACH GAGE TO BRIDGE RAILATTACH GAGE TO BRIDGE RAIL

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

ATTACH GAGE TO BRIDGE RAILATTACH GAGE TO BRIDGE RAIL

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

ATTACH WEIGHT AND LOCKATTACH WEIGHT AND LOCK

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

INSTALL A SAFETY INSTALL A SAFETY RAILING IF THE RAILING IF THE BRIDGE RAILING IS BRIDGE RAILING IS LESS THAN 39 LESS THAN 39 INCHES HIGH.INCHES HIGH.

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SURVEY WIRE-WEIGHT SURVEY WIRE-WEIGHT GAGEGAGE

HOLD SURVEY ROD HOLD SURVEY ROD ON BENCHMARK ON BENCHMARK OR REFERENCEOR REFERENCE

MARK OF KNOWN MARK OF KNOWN ELEVATION.ELEVATION.

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

TAKE A BACK TAKE A BACK SIGHT (BS) SIGHT (BS) READING ON THE READING ON THE SURVEY ROD SURVEY ROD USING A LEVEL. USING A LEVEL. THIS GIVES YOU THIS GIVES YOU THE HEIGHT OF THE HEIGHT OF THE INSTRUMENT THE INSTRUMENT (HI).(HI).

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE INSTALLATIONINSTALLATION

HOLD THE SURVEY HOLD THE SURVEY ROD ON THE ROD ON THE CHECKBAR OF THE CHECKBAR OF THE WIRE-WEIGHT GAGE. WIRE-WEIGHT GAGE.

READ THE ROD USING READ THE ROD USING THE LEVEL. SUBTRACT THE LEVEL. SUBTRACT THE ROD READING THE ROD READING (FORESIGHT, FS) (FORESIGHT, FS) FROM THE HEIGHT OF FROM THE HEIGHT OF THE INSTRUMENT TO THE INSTRUMENT TO GET THE CHECKBAR GET THE CHECKBAR ELEVATION.ELEVATION.

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE CALIBRATIONCALIBRATION

SUBTRACT THE ZERO DATUM OF THE SUBTRACT THE ZERO DATUM OF THE GAGE FROM THE CHECKBAR GAGE FROM THE CHECKBAR ELEVATION TO GET THE NORMAL ELEVATION TO GET THE NORMAL CHECKBAR READING FOR THE GAGE.CHECKBAR READING FOR THE GAGE.

IF CHECKBAR EL = 742.98 FT ANDIF CHECKBAR EL = 742.98 FT AND

ZERO DATUM EL = 695.24 FT, THE ZERO DATUM EL = 695.24 FT, THE NORMAL CHECKBAR READING IS NORMAL CHECKBAR READING IS

742.98 MINUS 695.24, OR 47.74.742.98 MINUS 695.24, OR 47.74.

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE CALIBRATIONCALIBRATION

SET THE NORMAL SET THE NORMAL CHECKBAR READING CHECKBAR READING BY LOOSENING 2 BY LOOSENING 2 SCREWS ON LEFT SIDE SCREWS ON LEFT SIDE OF THE GAGE. HOLD OF THE GAGE. HOLD DRUM TO PREVENT DRUM TO PREVENT DRUM FROM TURNING.DRUM FROM TURNING.

REST WIRE-WEIGHT ON REST WIRE-WEIGHT ON CHECKBAR, HOLD CHECKBAR, HOLD DRUM, AND TURN DRUM, AND TURN HANDLE UNTIL THE HANDLE UNTIL THE CORRECT CHECKBAR CORRECT CHECKBAR READING OCCURS. READING OCCURS.

TIGHTEN SCREWS.TIGHTEN SCREWS.2929

WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE CALIBRATIONCALIBRATION

IF NECESSARY, ADJUST THE HANDLE IF NECESSARY, ADJUST THE HANDLE SO THAT IT EXTENDS TOWARD THE SO THAT IT EXTENDS TOWARD THE BACK OF THE GAGE. THIS ENABLES BACK OF THE GAGE. THIS ENABLES THE WIRE-WEIGHT GAGE COVER TO THE WIRE-WEIGHT GAGE COVER TO CLOSE.CLOSE.

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WIRE-WEIGHT GAGE WIRE-WEIGHT GAGE MAINTENCE MAINTENCE

DEMONSTRATIONDEMONSTRATION

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RAIN GAGE INSTALLATION AT RAIN GAGE INSTALLATION AT U.S.GEOLOGICAL SURVEY U.S.GEOLOGICAL SURVEY

(USGS) GAGE SITES(USGS) GAGE SITES GET PERMISSION FROM USGS GET PERMISSION FROM USGS

BEFORE ATTACHING EQUIPMENT TO BEFORE ATTACHING EQUIPMENT TO THEIR GAGE SHELTERS.THEIR GAGE SHELTERS.

MAKE SURE THAT THE USGS WILL MAKE SURE THAT THE USGS WILL HOOK UP THE RAIN GAGE TO THEIR HOOK UP THE RAIN GAGE TO THEIR DATA COLLECTION PLATFORM (DCP) DATA COLLECTION PLATFORM (DCP) IF YOU INSTALL THE GAGE.IF YOU INSTALL THE GAGE.

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RAIN GAGE INSTALLATIONRAIN GAGE INSTALLATION

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RAIN GAGE INSTALLATIONRAIN GAGE INSTALLATION

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RAIN GAGE INSTALLATIONRAIN GAGE INSTALLATION 1. One 10 foot long 1 1/2 inch EMT conduit pipe ..................1. One 10 foot long 1 1/2 inch EMT conduit pipe ..................

$ 20.49$ 20.49 2. One 1.5 inch EMT set screw coupling ............................2. One 1.5 inch EMT set screw coupling ............................

$ 1.55 (Note the set screws are just slotted screw driver type)$ 1.55 (Note the set screws are just slotted screw driver type) 3. Two each SS#2 (3/4 – 1 3/4 inch) adjustable hose clamps 3. Two each SS#2 (3/4 – 1 3/4 inch) adjustable hose clamps

$ 1.96$ 1.96 4. Four each 5/16 x 1 4. Four each 5/16 x 1 inch hex bolts ................................ inch hex bolts ................................

$ .56$ .56 5. Four each 5/16 hex nuts ................................................5. Four each 5/16 hex nuts ................................................

$ .24$ .24 6. Four each 5/16 fender washers ......................................6. Four each 5/16 fender washers ......................................

$ .64$ .64 7. Two each U bolts with 2" wide opening, 4" deep .......7. Two each U bolts with 2" wide opening, 4" deep ....... $ 2.38$ 2.38 8. Two each L shaped corner brace 10" x 1-1/4" .......8. Two each L shaped corner brace 10" x 1-1/4" ....... $ 15.18$ 15.18 Total cost ........................................................................... Total cost ...........................................................................

$ 43.00$ 43.00

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