Entries |
Document | Title | Date |
20080205990 | Method and apparatus - A method is disclosed that comprises the steps of preassembling the connector pipe in a support; coupling a frame to the pipeline at or towards an end thereof such that the location of at least one part of the frame is known with reference to the throughbore and the end of the pipeline; engaging the support with a portion of the frame; substantially aligning the connector pipe with the end of the pipeline; and connecting the connector pipe to the end of the pipeline. A cutting tool is also disclosed that can be coupled to a portion of a guide means and used to cut the pipeline at a predetermined distance from the guide means such that the end of the pipeline is created. A remotely operable vehicle can be used to remotely actuate and control the connection of the pipe and the pipeline. | 08-28-2008 |
20080260466 | Apparatus for permitting access to the interior of a subterranean fluid-carrying pipe by way of an excavation which has uncovered the wall of the pipe - Apparatus for permitting access to the interior of a fluid-carrying pipe, the apparatus comprising a valve assembly adapted to permit a hole to be drilled in the wall of the pipe or an item to be introduced into or removed from the pipe by way of a pre-existing hole in the wall of the pipe without fluid escaping from the assembly and a member which has a first end connected to the valve assembly and a second end for engaging that part of the wall of the pipe lying opposite the valve assembly, the member being adapted to be lowered into the excavation and then engaged with the wall of the pipe in such a manner that the valve assembly can be clamped to the wall of the pipe. | 10-23-2008 |
20090220305 | METHOD AND DEVICE FOR RECONSTRUCTING OLD UNDERGROUND PIPES - A method for in-situ repair of old underground Pipes is disclosed. A breaking tool with a drive or a pipe section is pulled from a typical inspection shaft to the next inspection shaft (machine shaft) by a hydraulic piston-cylinder unit which has a housing that is at least partially located inside the old pipe. The extremely limited interior space of the machine shaft is thereby kept essentially free from machine parts. | 09-03-2009 |
20100047022 | SUBSEA FLOW LINE PLUG REMEDIATION - A technique enables removal of a hydrate plug or other similar plug from a deep water flow line. When the existence of a plug in the deep water flow line is determined, a temporary flow line loop is created to enable remedial procedures. The temporary loop can be created by deploying a spoolable compliant guide and connecting the spoolable compliant guide to the deep water flow line. The connection is made in a manner that enables access to both sides of the unwanted plug. | 02-25-2010 |
20100047023 | Subsea Pipeline Repair and Maintenance Tools and Method for Replacement of Broken Pipelines - A pipeline repair connector ( | 02-25-2010 |
20100143042 | Device for Restoring or for Installing the Thermally Insulating External Jacket of Pipes, Tubes, Hoses, Connection Elements and Other Jacketed Elements - The invention relates to a device for repairing and fitting heat insulation capabilities of the external cladding of clad members such as tubular lines, connection members and other clad members, positioned on the seabed, said device consisting of a casing comprising attachment and/or tightening means, suitable for being mounted on said clad members, characterised in that the device comprises, inside the casing thereof, a gel type elastomer heat insulation compound, in the form of a solid or perforated lining/mat, rigidly connected to said casing and compressed by tightening on the clad member during the fitting thereof. | 06-10-2010 |
20100215438 | PIPE PULLING DEVICE AND METHODS - A pipe pulling device and related methods for removal of an existing old length of pipe and replacement of the old pipe with a length of new, replacement pipe. The pipe pulling device includes a housing, a drive assembly mounted to the housing, and a spool assembly mounted to the housing and operably coupled to the drive assembly. The pipe pulling device can also include a cable attachment mechanism that secures a cable that extends through the old pipe to the spool assembly. The drive assembly operates to rotate a portion of the spool assembly thereby wrapping the old pipe and cable about the spool assembly. An end of the new, replacement pipe can be secured to an opposite end of the cable, wherein the new, replacement pipe is drawn into a cavity vacated by the old pipe as the old pipe is being withdrawn and wrapped about the spool assembly. | 08-26-2010 |
20110038673 | APPARATUS AND METHOD FOR PROVIDING ACCESS TO A BURIED PIPE - The pipe access device is comprised of a curved plate adapted to engage an underground pipe along an arc of the outer surface of the pipe, and a boss extending upwardly from the curved plate about an aperture in the curved plate. The curved plate extends along an arc of the outer surface of the curved plate that corresponds to a central angle of the pipe less than or equal to 180°. The curved plate includes a concave surface with a radius of curvature less than a radius of curvature of the outer surface of the pipe so as to bias the curved plate against the outer surface of the pipe when the curved plate is flexed to engage the pipe. The pipe access device is for use in providing access to the buried pipe that requires minimal excavation and disruption of the soil. | 02-17-2011 |
20110097157 | Deep Water Pipe Preparation Machine - A device for preparing an underwater pipe includes a platform having moveable jaws for transporting the platform along a length of pipe. Mounted on the platform is a rotatable frame with a plurality of machines thereon, each of which can perform at least one function towards the preparation of the pipe. | 04-28-2011 |
20110200393 | INTERVENTION METHOD AND APPARATUS - The present invention describes an apparatus ( | 08-18-2011 |
20110299933 | Method to Stop Wellbore Fluid Leakage from a Spoolable Wellbore Intervention Rod - A method for sealing a conduit in a spoolable wellbore intervention rod includes exposing an interior of the conduit at a location proximate the earth's surface while the spoolable rod is deployed in a wellbore. A curable sealing compound is introduced into the exposed interior of the conduit and the compound is allowed to cure. | 12-08-2011 |
20110299934 | SYSTEM AND METHOD FOR PLUGGING A BROKEN FLUID DELIVERY PIPE - A tool, system and methods for plugging broken fluid delivery pipe are disclosed. A plugging tool can be used to plug a fluid leak in a broken pipe. A relief pipe and associated relief valve assembly can be installed on the sides of the broken pipe. Before plugging, the relief valves can be opened to relieve back pressure created during plugging operation. The relief piping can be installed on the side of a broken pipe using a diamond blade edging technique followed by threading. The tapered portion of the tool facilitates the plugging process and snuggly fit the tool into the broken pipe. A fluid storage mechanism can be provided for storing fluid obtained from the plugged pipe via relief pipes under the control of associated relief valves. | 12-08-2011 |
20110318111 | TOTAL ENVIRONMENTALLY-FRIENDLY TRENCHLESS REPAIRING METHOD - The present invention relates to a total environmentally-friendly trenchless repairing method including the steps of: checking leakage on the upper and lower portions of the sewage pipeline, a manhole and a household branch pipe within a repairing section; performing partial trenchless repairing for the damaged portion of the pipeline; filling a primary repairing liquid into the pipeline at high pressure; sucking the primary repairing liquid remaining in the pipeline; injecting a secondary repairing liquid into the interior of the pipeline; sucking the secondary repairing liquid remaining in the pipeline; performing intermediate cleaning; and removing the repairing liquids accumulated on the bottom portion of the pipeline. | 12-29-2011 |
20120063849 | Methods and Systems to Maintain Accessibility and Integrity of Equipment Contained in Underground Housings - Disclosed herein are methods, devices and systems to maintain the accessibility and integrity of equipment contained in underground housings. The methods, devices and systems and methods of the present invention maintain the accessibility and integrity of equipment contained in underground housings by providing at least one barrier that prevents burrowing animals from off-loading displaced ground dirt or other debris into the space created by the underground housing. | 03-15-2012 |
20120087739 | TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT - Replacement drainage structures and methods for replacing drainage structures are disclosed. An example method includes driving a plurality of sections of a replacement drainage structure around a buried drainage structure to be replaced. At least a portion of the drainage structure to be replaced is positioned within the interior of a section of the replacement drainage structure. Portions of the drainage structure to be replaced are removed. | 04-12-2012 |
20120107051 | Subsea Recovery of Swabbing Chemicals - Apparatus and methods are described for subsea pipeline servicing, including dewatering and chemical containment. A subsea pipeline service skid has a containment bladder affixed to the skid and in fluid communication with a skid mounted pump dimensioned to pump fluid from the subsea pipeline. A sensor system at the suction side of the pump detects the presence of seawater, water, chemical agent, or gas so the pump can be operated accordingly. The chemical agent used during dewatering operations of the pipeline is selectively pumped to the containment bladder subsea so the subsea vehicle can independently take the chemical agent to the surface. | 05-03-2012 |
20120183358 | APPARATUS AND METHOD FOR PROVIDING ACCESS TO A BURIED PIPE - The pipe access device is comprised of a curved plate adapted to engage an underground pipe along an arc of the outer surface of the pipe, and a boss extending upwardly from the curved plate about an aperture in the curved plate. The curved plate extends along an arc of the outer surface of the curved plate that corresponds to a central angle of the pipe less than or equal to 180°. The curved plate includes a concave surface with a radius of curvature less than a radius of curvature of the outer surface of the pipe so as to bias the curved plate against the outer surface of the pipe when the curved plate is flexed to engage the pipe. The pipe access device is for use in providing access to the buried pipe that requires minimal excavation and disruption of the soil. | 07-19-2012 |
20120219363 | METHOD OF REPLACING AN UNDERGROUND PIPE - An improved method for replacing existing underground sewer pipe is accomplished without excavation, pipe bursting, or pipe reaming. First, vertical sight holes are drilled into the ground and through the existing pipe. Slurry material from the vertical hole drilling fills the old pipe. Then, a pilot hole is drilled in a first direction through the old pipe. Then, a reaming tool is pulled in the opposite direction so as to enlarge the pilot hole and grind out the old pipe, while simultaneously pulling the new pipe into position behind the reaming tool. The broken old pipe and slurry are vacuumed out of the vertical relief holes. | 08-30-2012 |
20120282033 | ROD ASSEMBLY AND DEVICE FOR TRENCHLESS REHABILITATION OF PIPELINES - A rod assembly for a device for trenchless rehabilitation of pipelines includes at least two rod sections connectable to one another by a plug connection in a tension-proof manner, with at least a first one of the rod sections having an end formed with a lateral opening, and a second one of the rod sections having an end formed with a crosspiece for insertion in the lateral opening of the first rod section. Those end faces of the lateral opening and the crosspiece which are pressed against one another in response to a tensile load of the rod assembly have an arched configuration. | 11-08-2012 |
20130136542 | SUB-SEA APPARATUS AND OPERATING METHOD - Apparatus and method for overhauling a flanged coupling of joined conduit components including a gripping mechanism that straddles the flange-coupling and grips both flange-coupled components. The gripping mechanism is mounted on a lifting frame and bears the loadings upon the gripped tubular components during a moving operation. The apparatus also includes a collar sized to fit over the flange-coupling and located in spaced apart cradles supported on a base frame. The cradles are configured to receive the flange-coupled tubular components and position the collar for closure about the flange-coupling. The collar is provided with fasteners for closure of the collar about the flange-coupling, and a fastening mechanism operating the fasteners to secure the collar when closed about the flange-coupling. | 05-30-2013 |
20130189037 | APPARATUS AND METHOD FOR INSERTION OF GASKETS - A gasket insertion apparatus and method for inserting a gasket between the adjoining faces of a flange assembly are provided. The gasket insertion apparatus includes a frame, a member and a wire. The frame has a first end, a second end and an inner gripping surface. The first and second ends have guides. The member has a first end portion attached to the frame and a second portion extending away from the frame. The wire is anchored to at least one of the frame and the member such that it movably adjusts within the guides and secures the gasket within the inner gripping surface. | 07-25-2013 |
20130209175 | CORROSION PROTECTION OF PIPES SUSPENDED IN SEAWATER - A method of protecting a region of a pipe ( | 08-15-2013 |
20130259578 | APPARATUS AND METHOD FOR PROVIDING ACCESS TO A BURIED PIPE - The pipe access device is comprised of a curved plate adapted to engage an underground pipe along an arc of the outer surface of the pipe, and a boss extending upwardly from the curved plate about an aperture in the curved plate. The curved plate extends along an arc of the outer surface of the curved plate that corresponds to a central angle of the pipe less than or equal to 180°. The curved plate includes a concave surface with a radius of curvature less than a radius of curvature of the outer surface of the pipe so as to bias the curved plate against the outer surface of the pipe when the curved plate is flexed to engage the pipe. The pipe access device is for use in providing access to the buried pipe that requires minimal excavation and disruption of the soil. | 10-03-2013 |
20140017012 | METHOD FOR PROTECTING SUBMARINE CABLE AND SUBMARINE LONG TUBE - At a location where a submarine cable | 01-16-2014 |
20140056648 | SUBSEA CABLE REPAIR - There is provided subsea repair apparatus for performing repair of a subsea cable located beneath the sea, said apparatus comprising: an environment capsule capable of providing a substantially water-free environment within the capsule; and repair equipment located within the environment capsule arranged to repair said subsea cable without the need for a person to be located within the environment capsule. | 02-27-2014 |
20140112721 | TRENCHLESS DRAINAGE STRUCTURE REPLACEMENT - Replacement drainage structures and methods for replacing drainage structures are disclosed. An example method includes driving a plurality of sections of a replacement drainage structure around a buried drainage structure to be replaced. At least a portion of the drainage structure to be replaced is positioned within the interior of a section of the replacement drainage structure. Portions of the drainage structure to be replaced are removed. | 04-24-2014 |
20140154015 | CENTRE SYSTEM - The invention relates to an assembly for centring a first elongate tubular element and a second elongate tubular element, such as an underwater pile accommodated within a noise mitigation screen, at a common central longitudinal axis along which axis both the first and second element extend, and wherein the centre system is provided with first coupling element for fixedly coupling the centre system with one of the first and second tubular elements, and second coupling element for engaging the other tubular element for centring the other tubular element at the central axis. | 06-05-2014 |
20140161536 | OPTIMIZATION OF SIZE ON UMBILICAL REPAIR JOINTS FOR DEEP WATER - An assembly for splicing and repairing an umbilical is provided having two terminal bend restrictors and two strain terminators, here each terminal bend restrictor has at least two interconnected modules, a connecting end, and a free end. The strain terminators have a strain receiving end and a strain providing end, with each of the strain receiving ends is connected to one of the connecting ends of the terminal bend restrictors. The assembly further has an intermediate bend restrictor having at least two interconnected modules and two connecting ends. The two strain terminators are connected at their strain providing ends to separate connecting ends of the intermediate bend restrictor, and the intermediate bend restrictor is dimensioned to withstand tensile strain from the connected strain terminators. | 06-12-2014 |
20140212222 | CABLE RECOVERY DEVICE AND SYSTEM - A trench plow blade for removing cable below ground which includes a plow member having upper and a lower end and a plow wedge disposed at the lower end, the trench plow blade receiving air or water for loosening the ground above the cable or reciprocally moving the plow member relative to the plow wedge. Apparatus for the removal of cable buried in the ground and a method relating to removal of buried cable with a trenching plow blade is disclosed. | 07-31-2014 |
20140234029 | METHODS AND APPARATUS FOR RECOVERY OF DAMAGED SUBSEA PIPELINE SECTIONS - Apparatus and methods are described for subsea pipeline servicing, including line-pack testing, physical integrity testing, recovery of damaged sections of pipelines, and product removal from subsea structures. In one embodiment of the invention, a subsea pipeline service skid is provided including at least one sample collection bladder affixed to the skid and in fluid communication with a skid mounted pump dimensioned to pull a sample from the subsea pipeline. In another embodiment, a product removal bladder is provided for removal of the hydrocarbons from a subsea structure. In one embodiment, a method of wet-buckle remediation is provided using a subsea pump to unweight the pipeline. | 08-21-2014 |
20140248088 | APPARATUS AND METHOD FOR PROVIDING ACCESS TO A BURIED PIPE - The pipe access device is comprised of a curved plate adapted to engage an underground pipe along an arc of the outer surface of the pipe, and a boss extending upwardly from the curved plate about an aperture in the curved plate. The curved plate extends along an arc of the outer surface of the curved plate that corresponds to a central angle of the pipe less than or equal to 180°. The curved plate includes a concave surface with a radius of curvature less than a radius of curvature of the outer surface of the pipe so as to bias the curved plate against the outer surface of the pipe when the curved plate is flexed to engage the pipe. The pipe access device is for use in providing access to the buried pipe that requires minimal excavation and disruption of the soil. | 09-04-2014 |
20140286710 | CARTRIDGE HYDRAULIC COUPLER AND METHOD OF USE - A male and female set of hydraulic coupler cartridges mate such that one part of the coupler can be left in place, e.g. the female coupler, with the other portion of the coupler, e.g. the male coupler, being removably connected or disconnected. Valves within each cartridge comprise an actuator and springs within each cartridge urge the valves into a closed, sealing position. When the cartridges mate, spring and/or fluid pressure within the cartridges operates to either allow or disallow fluid flow. Once the cartridges are mated, their respective springs are partially compressed and movement of one of the valves operates to compress one spring and correspondingly decompress the other. The cartridges can therefore be mated and unmated, e.g. subsea, while fluid flow is prevented through them during the mating and unmating. | 09-25-2014 |
20140314491 | MAINTENANCE METHODS USING MOTORIZED DILFLOATS ON SEISMIC STREAMERS - Methods and systems allow for performing maintenance on a deployed portion of a seismic streamer. A method for raising and lowering a portion of a spread associated with a seismic streamer which is towed by a mother ship, the method including: configuring a device to be movable, wherein the device includes at least two buoyant structures connected by a platform, further wherein the platform includes a winch, a motor and controls associated with the winch and the motor; deploying the device from the mother ship overtop of the portion of the spread to be raised; lowering a line from the device via a winch to a position proximate the portion of the spread to be raised; connecting the line to the portion of the spread; and raising the line and the portion of the spread via the winch to a surface of a body of water. | 10-23-2014 |
20140328630 | SYSTEM AND METHOD FOR FACILITATING ACCESS TO UTILITY BOXES - A system and method for raising utility boxes includes locating a hidden utility box that is paved over or otherwise covered and not visible from above the ground. A rough locating technique may be used to get within the general vicinity of the box, followed by a more finely tuned locating technique to pinpoint the exact location of the box. With the location accurately known, a system including a core drill is used to cut through the material covering the box, without the need to excavate large areas of roadway or other ground cover. Once having access the utility box, it is extended, raised or replaced such that it is visible and accessible from the then current ground level. | 11-06-2014 |
20150063918 | METHODS AND APPARATUS FOR ARRESTING FAILURES IN SUBMERGED PIPELINES - A packer apparatus includes an actuator disk and a seal disk in axial moveable relation with a mandrel, and a brake pivotally connected to the mandrel. The actuator disk includes a tapered outer surface. The seal disk is arranged between the actuator disk and the mandrel and includes a rim angled toward the actuator disk. The actuator disk is configured to be actuated by fluid pressure within the pipeline to move axially toward the mandrel from a first position to a second position. In the second position, the tapered outer surface of the actuator disk deflects the rim of the seal disk toward the mandrel to cause the seal disk to radially expand and engage an inner surface of the pipeline. Additionally, in the second position, the brake pivots relative to the mandrel and moves radially outward into engagement with the inner surface of the pipeline. | 03-05-2015 |
20150063919 | METHODS AND APPARATUS FOR ARRESTING FAILURES IN SUBMERGED PIPELINES - A packer apparatus is configured to be arranged within and arrest a failure of a submerged pipeline. In one example, the packer apparatus includes first and second mandrels coupled in selectively axial moveable relation to one another, and an elastomeric expansion boot circumferentially disposed around a portion of the second mandrel. The first mandrel is responsive to fluid flow in the pipeline to move axially toward the second mandrel from a first position to a second position. In the second position, the expansion boot is compressed axially between the first and second mandrels and expanded radially into engagement with an inner surface of the pipeline. | 03-05-2015 |
20150078832 | Pipeline Lifting and Supporting Apparatus For Maintenance and Restoration Purposes - Apparatus for lifting and supporting pipelines through which is flowable fuel, gas or hazardous industrial liquids, for maintenance and restoration purposes, which comprises a hybrid sling for supporting a pipeline segment when being raised, where the sling comprises a flexible belt portion contacting an underside of the pipeline segment and a chain portion vertically extending from each end of the belt portions to an element through which a lifting force is transmittable. The sling is assured of being sufficiently structurally strong and dimensionally stable to ensure that the difference in height of any two points of the segment when being raised is not so great as to create a danger to the integrity of the pipeline. | 03-19-2015 |
20150093200 | METHOD AND APPARATUS FOR CLEANING A PIPE LENGTH - To clean the inside of a pipe length a swabbing machine is provided at a first end of the pipe length, the swabbing machine includes a pneumatic motor and is propelled along the inside of the pipe length in a first direction away from the first end of the pipe length by the pneumatic motor. A swabbing machine and a swabbing machine system are also disclosed. | 04-02-2015 |
20150132064 | BURIED PIPELINE REPAIR SYSTEM - A damaged portion of a pipeline buried in a trench is gradually lifted from the trench to expose the damaged portion above water and provide easy access to the damaged portion. Inflatable roller bags are placed under the pipeline adjacent the damaged portion; the roller bags are then inflated in a controlled manner using a computer-based control unit. A control manifold is connected to the control unit and each of the roller bags by a separate air conduit allowing controlled bag-inflation and bag-deflation process for each roller bag. Once the pipeline is repaired, the roller bags are deflated, lowering the pipeline back to its original position in the trench. | 05-14-2015 |
20150316195 | SYSTEM AND METHOD FOR PIPELINE MAINTENANCE - A system and method for pipeline maintenance may include a payload and a transport module having the payload attached thereto. The transport module may include a plurality of movable arms each having at least one respective wheel. At least some of the wheels may be drive wheels which are operable in a first orientation to drive the transport module linearly along a length of a pipeline, and are further operable in a second orientation to drive the transport module circumferentially around an inner surface of the pipeline. At least some of the arms are operable to move the payload in a generally radial direction toward and away from an interior surface of the pipeline. | 11-05-2015 |
20150323116 | METHOD AND APPARATUS FOR IMPROVING THE INTEGRITY OF A PIPELINE - A method and apparatus is provided which will improve the integrity of a pipeline by removing moisture and solid particulates that have been entrapped within a gas originating from an underground storage cavern following pressure reduction before introducing the gas into the pipeline. | 11-12-2015 |
20150367387 | METHOD FOR PERFORMING WORK ON UNDERWATER PIPES - An apparatus for underwater pipes comprising an ultrasound emitting system and at least one ultrasound receiving transducer is lowered into he marine environment. During an inspection phase, an ultrasound inspection source of the ultrasound emitting system and the receiving transducer are disposed on each side of the pipe. The inspection source is activated, and an ultrasound signal captured by the receiving transducer is recorded. In response to the observation of an anomaly in the ultrasound signal captured by the receiving transducer, a power source of the ultrasound emitting system is then coupled to the pipe at the aforementioned location, and the power source is activated in order to destroy the obstruction. | 12-24-2015 |
20160102782 | Polymer bag grouting method for repairing settlement of underground pipelines - A polymer bag grouting method for repairing a settlement of an underground pipeline includes steps of: (1) detecting a settled pipeline section and determining a grouting plan; (2) drilling holes for containing bags; (3) placing the bags into the holes; (4) injecting a polymer material into the bags; (5) uplifting the settled pipeline section; and, (6) filling a cavity and reinforcing a soft soil layer. The polymer material is a non-water reacted two-component polymer material. The method provided by the present invention has advantages of rapidness, small cut, light mass, high tenacity, economy and durability. The method is advanced, highly-efficient, economical and practical and able to rapidly repair the settlement of the pipeline section through uplifting. The method of the present invention is successfully applied to multiple projects of uplifting the underground pipelines, showing great economic and social benefits and a wide development and application prospect. | 04-14-2016 |
20160109036 | Apical Filler Layers - Novel tools and techniques are provided for implementing point-to-point fiber insertion within a passive optical network (“PON”) communications system. The PON communications system, associated with a first service provider or a first service, might include an F1 line(s) routed from a central office or DSLAM to a fiber distribution hub (“FDH”) located within a block or neighborhood of customer premises, via at least an apical conduit source slot, an F2 line(s) routed via various apical conduit components to a network access point (“NAP”) servicing customer premises, and an F3 line(s) distributed, at the NAP and from the F2 Line(s), to a network interface device or optical network terminal at each customer premises via various apical conduit components (e.g., in roadway surfaces). Point-to-point fiber insertion of another F1 line(s), associated with a second service provider or a second service, at either the NAP or the FDH (or outside these devices). | 04-21-2016 |
20160169435 | Polymer composite grouting method for blocking leaking and sand inrush of underground pipelines | 06-16-2016 |
20160178109 | IN-SITU INSTALLABLE REPLACEMENT PIPELINE AND METHOD OF INSTALLATION THEREOF | 06-23-2016 |
20170234080 | Fatigue Performance Enhancer | 08-17-2017 |
20170234460 | Subsea Drying System | 08-17-2017 |
20170234474 | INFLATABLE BULKHEAD USEFUL IN UNDERGROUND PIPE REFURBISHMENT | 08-17-2017 |