Abstract: The invention relates to a mast (10) for a wind turbine, which mast tapers towards the top and comprises at least two superposed annular mast sections (12, 14, 16, 18, 20). Every annular mast section consists of a plurality of prefabricated wall parts (A, B, C, D, E, F), wherein at least a part of which has a curved section, at least the curved sections of prefabricated wall parts in different annular mast sections having at least identical cross-section.

Abstract: It comprises providing at least two metal shell segments arranged adjacent to each other, forming a column of concrete on at least a joint portion of adjacent shell segments, placing a formwork to form said column of concrete, assembling a support framework before providing shell segments, providing an auxiliary sub-structure internal to the shell segments, and an attaching formwork associated both with the internal support framework and to the shell segments. The assembling of the internal support framework may be carried out by providing at least a first series of auxiliary pillars, joining the auxiliary pillars to each other to form a first auxiliary sub-structure and arranging an attaching formwork attached to said auxiliary pillars.

Abstract: A method of erecting, and a method of servicing or dismantling, a wind energy plant with a hub height of at least 140 meters makes provision that a heavy-duty lifting device is temporarily disposed on a tower top for any installing, exchanging, or disassembling purposes, and subsequently is dismantled immediately, with all these operations being carried out without using an external crane. A light-duty lifting device attached to the tower serves for erecting the tower, so that no external large-scale cranes are required. For disassembling or exchanging the large components, an auxiliary lifting device is able to transport the heavy-duty lifting device to the top of the tower and is also capable of lowering the heavy-duty lifting device from there.

Abstract: A hybrid tower structure (1), and a method for building the same, which tower structure includes a lower portion (3) in form of a lattice structure (8, 9), an upper portion (5) with continuous outer surface, and an adapter construction (4) between the lower and upper portions, wherein the tower structure (1) further includes plurality of stay cables (6) connected to the tower structure, and that the lower portion (3) of the tower structure has a hollow cross-section through its length where the load bearing lattice structure (8, 9) extends only on the circumference of the cross section, and the lattice structure is formed from hollow steel profiles.

Abstract: A concentrated solar tower assembly includes a hollow tower structure defining lower and upper portions. The lower portion includes a closable opening region for configuring a closable opening, and the upper portion includes a top gird having inner and outer top grids. The assembly further includes a solar receiver steam generator entirely installed at the ground level G on the inner top grid simultaneous to erection of the tower. The generator on the inner top grid is slidingly directed within the tower from the closable opening to be entirely accommodated therewithin. Thereafter, the generator on the inner top grid is lifted for being placed along the upper portion of the tower.

Abstract: A system and methodology facilitates the handling of oilfield material. The oilfield material is stored in at least one silo which enables use of gravity to feed the oilfield material to a blender or other suitable equipment. Each modular silo is transportable and may be engaged with a support structure via a pivot connection. Once engaged, the silo is pivoted to a raised, upright position on the support structure. The oilfield material is then moved to an interior of the silo, and gravity may be used to feed the oilfield material to a blender or other equipment in a controlled manner.

Abstract: A support apparatus for support of an underwater power generator is described. The underwater power generator has a power generating portion and the support apparatus includes: a stand adapted for supporting the power generating portion, and comprises a stabiliser including one or more stabilising footing elements adapted to mount one or more monolithic ballast masses; wherein the one or more stabilising footing elements includes a locating region adapted to cooperate with a locating region of the monolithic ballast mass so that the support apparatus in use is weighted down in a selected position on a sea bed. Ballast masses are also described, as are methods for installing the support apparatus and methods for installing power generators on the support apparatus.

Abstract: Installation vessels and methods for offshore wind turbine installation are disclosed. In one embodiment, a cantilever mast is used to transfer of wind turbine components from an installation vessel to an offshore installation site and guide the transfer to prevent undesired swinging movements of the wind turbine components. In another embodiment, a main crane is used in cooperation with a guide arm to transfer and guide wind turbine components from an installation vessel to an offshore installation site.

Abstract: The present invention relates to a tubular building structure or tower 10 comprising superposed tube sections 12. At least some of the tube sections 12 are provided with platform segments 28 that are hinge-connected and foldable from a collapsed position in which they are positioned close to the tube sections 12 to a position of use in which they extend radially inwardly into the tubular building structure 10 in the mounted position of the tube sections 12. In particular the invention relates to a tube segment 16 adapted to be interconnected with other tube segments 16 to form a tubular building structure or tower 10 comprising superposed tube sections 12, each tube section being formed by interconnected axially extending tube segments 16.

Abstract: Disclosed are apparatus and corresponding methodology for providing a base support, such as including concrete, and used such as for a wind-driven generator. Precast concrete cylinders are stacked in place upon a platform that may be partially precast and partially cast in place during assembly and supported, in certain embodiments, by plural concrete legs, the other ends of which are supported on a unitary or subdivided concrete foundation. In other embodiments, the platform may be supported by ribbed concrete panels. The concrete cylinders are glued together using an epoxy and then secured by an internal vertical post tension system extending from the platform to the upper most cylinder. Different types of concrete are used between upper and lower sections of the stacked cylinders. The lower section uses reinforced concrete while the upper section used ultra high performance fiber reinforced concrete.

Abstract: A portable drilling rig apparatus includes a rig floor having a pedestal structure thereon, the pedestal structure comprising a lower pivot point and a lower attachment point and wherein the pedestal structure is configured to be rotated to a vertical position about the lower pivot point. The drilling rig further includes a mast structure having a mast pivot point at a lower end of the mast structure wherein the mast pivot point is configured to be pinned to an upper pivot point of the pedestal structure.

Abstract: A method comprises a) attaching a first skin to a first surface of an open cell foam to form a precursor for a door, window or panel; and b) attaching a second skin to the precursor in a separate step from step a). A precursor for a door, window, or panel, comprises a skin attached to one face of an open cell foam, but not to an opposing face of the open cell foam.

Abstract: Systems and methods are disclosed for erecting a tower. The subject system includes a tower, which may include a base portion and a plurality of tower sections. The subject system may further include a frame provided on the tower, a crane provided on the frame, and a self-hoist system for elevating and lowering the frame relative to the tower. Erection of the tower is facilitated through use of the self-hoist system to elevate the frame, and use of the crane to provide various tower sections on the base portion and an initial tower section or sections.

Abstract: It comprises providing at least two metal shell segments arranged adjacent to each other, forming a column of concrete on at least a joint portion of adjacent shell segments, placing a formwork to form said column of concrete, assembling a support framework before providing shell segments, providing an auxiliary sub-structure internal to the shell segments, and an attaching formwork associated both with the internal support framework and to the shell segments. The assembling of the internal support framework may be carried out by providing at least a first series of auxiliary pillars, joining the auxiliary pillars to each other to form a first auxiliary sub-structure and arranging an attaching formwork attached to said auxiliary pillars.

Abstract: An apparatus including a base, and a drilling tower pivotally coupled to the base to pivot the drilling tower between first and second pivot positions. The drilling tower includes a first portion, and a second portion pivotally coupled to the first portion to pivot the second portion between third and fourth pivot positions when the drilling tower is in the first pivot position. According to another aspect, a method includes pivotally coupling a drilling tower to a base, which includes providing a first portion of the drilling tower, pivotally coupling a second portion of the drilling tower to the first portion of the drilling tower, and pivotally coupling the first portion of the drilling tower to the base.

Abstract: Smokestacks are built by constructing a reinforced pad, a reinforced base on the pad, placing a preconstructed smokestack welded base element and the reinforced base. A smokestack constructing machine is positioned on the base with cross beams extending above the welded base. A preassembled top section is placed on the beams. In a lower work area, jacks connected to lower fixtures on the top section raise the top section. Transition sections are inserted laterally on the beams, and the top section is lowered, attached and welded to the transition sections. The jacks are disconnected, lowered and reconnected. The top section is attached and welded to the lower section, which is raised to laterally insert another section. The raising, inserting, lowering, attaching, welding and raising steps are repeated until the smokestack is complete. Ladders and wind screws attachments are attached in an upper work area.

Abstract: Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure.

Abstract: A method of erecting a wind turbine comprising the following steps: Providing the hub (9), the blades (11), the nacelle (13) and a lattice tower (15) comprising first and second sections (21, 27) pivotally connected along an axis (17) at a height H, in which the tower lower part, below height H, is composed by the second section (27), including the tower lower and upper legs (31, 33) and a first part (23) of the first section (21) and in which the tower upper part, above height H, is composed by a second part (25) of the first section (21). Assembling on ground the wind turbine, with the nacelle (13) resting on a carrier (19). Raising the second section (27) and fixing the upper legs (33) to second foundation corners (43). Raising the first section (21) and fixing its first part (23) to the second section (27).

Abstract: The invention relates to a method for the production of a tower (1) of a wind power plant, wherein at least one tubular tower section (2) is produced from annular precast concrete parts (5) having two horizontal contact surface (21), which are arranged on top of one another. After casting, the annular precast concrete parts (5) are set up in a processing station (27) in the precast plant and the two horizontal contact surfaces (21) of the precast concrete parts (5) processed in a fixture in a planparallel, material-removing manner. A tower (1) of a wind power plant comprises at least one tubular tower section (2) of annular precast concrete parts (5) having two horizontal contact surfaces (21), which are arranged on top of one another. Both horizontal contact surfaces (21) of the precast concrete parts (5) are reworked in a planparallel, material-removing manner with a parallelism deviation and a flatness deviation of few tenths of a millimeter, preferably less than 0.2 mm.

Abstract: Disclosed herein is a telescoping substructure of a drilling rig that includes first and second telescoping substructure boxes. The first and second telescoping substructure boxes each include, among other things, a lower substructure box and an upper substructure box that is adapted to be telescopically raised and lowered relative to the lower substructure box. Furthermore, each telescoping substructure box also includes raising means for telescopically raising and lowering the upper substructure box relative to the lower substructure box between a collapsed configuration for transportation and a raised configuration for drilling operations, wherein each of the first and second telescoping substructure boxes are adapted to facilitate movement of the telescoping substructure in at least one of a lateral direction and a longitudinal direction over wellhead equipment positioned above a wellbore location when the upper substructure boxes are in the raised configuration.

Abstract: A method for erecting a pre-stressed sectionalized and segmented concrete tower for wind power or heliostatic generator or chimney is provided. The method includes the step of providing a plurality of assembling supports and lifting harnesses in order to support to the concrete segments for assembling concrete section from the concrete segments using a small capacity crane, and installing, with a high capacity crane the assembled concrete sections to conform the concrete tower. The lifting harness provides safety scaffolds for personnel during prestressing.

Abstract: Methods for connection parts of a mast of a drilling rig without using a crane or other lifting machine are disclosed. In certain aspects, these methods include moving parts of a mast to be assembled with trucks and positioning the parts with the trucks to facilitate their connection. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: A latticing drop panel structure includes a plurality of columns (100 or 101) or walls, and a connecting member (210) including a concrete drop panel (219) having a cross-section area larger than that of the column (100 or 101) or the wall, wherein the connecting member (210) having four unit rods 212, surrounded around the drop panel (219) in a latticing form, wherein the unit rods (212) are parallel with the respective sides of the column and cross at the same level, whereby sagging displacement of the slab is reduced due to the existence of the drop panel.

Abstract: A method and structure for assembling field erected cooling. A first cell or cell portion is assembled at the opposite end of the cooling basin from its final location and used as a scaffold from which the rest of the structure is assembled. This first “assembly” section is fitted with temporary walkways, safety railings and enclosed ladders and workers assemble each new section of the cooling tower frame from the scaffold affixed to the first section. After assembly of each section or bay of the cooling tower frame is completed, the assembly section is advanced away from the newly constructed section to make room for the assembly of a new section. To advance the assembly section, movable lifts are positioned under the bottom transverse beams of the section.

Abstract: A monopole support assembly includes at least two truss assemblies secured to an outer surface of a monopole. At least two helical piers or micropiles are secured to the at least two truss assemblies, respectively.

Abstract: A system and method for replacing existing deteriorated piers of bridges in the same location as the existing pier, without the use of temporary bents comprising the steps of: installing one or more drilled shaft, preferably round, columns in the earth on opposite sides of the existing pier to be replaced transverse to the axis of the bridge; installing at least one temporary support bracket or embedded support beam on each of the columns; installing a temporary transverse girder onto the support brackets or beams of two columns; installing temporary support posts on the transverse girder; transferring the load from the pier to the temporary transverse girders once the columns have attained adequate strength; removing the pier to an elevation below the cap; constructing a new cap; transferring the load from the temporary girders to the new cap once the cap has attained adequate strength; and removing the temporary supports.

Abstract: Methods and apparatus for providing a mast system including a telescoping mast having first and second mast sections, the mast having a stowed configuration and a deployed configuration, the first mast section including an inner surface having ribs disposed thereon, and, the second mast section including a coupling mechanism to engage the ribs on the first mast section for enabling axial movement of the second mast section with respect to the first mast section.

Abstract: Disclosed are apparatus and corresponding methodology for providing a base support, such as including concrete, and used such as for a wind-driven generator. Precast concrete cylinders are stacked in place upon a platform that may be partially precast and partially cast in place during assembly and supported, in certain embodiments, by plural concrete legs, the other ends of which are supported on a unitary or subdivided concrete foundation. In other embodiments, the platform may be supported by ribbed concrete panels. The concrete cylinders are glued together using an epoxy and then secured by an internal vertical post tension system extending from the platform to the upper most cylinder. Different types of concrete are used between upper and lower sections of the stacked cylinders. The lower section uses reinforced concrete while the upper section used ultra high performance fiber reinforced concrete.

Abstract: A tower structure for a wind energy turbine, wind power, renewable energy, and other uses made of concrete, steel-reinforced concrete or other materials, and a method of manufacture thereof are described. The structure includes several pre-fabricated tower lengths, each tower length having at least three pre-fabricated wedges, such that a central protruding edge of each wedge approaches or lies at a center line of the tower structure when assembled. Tower lengths higher in the tower may be narrower and may be made up of fewer wedges than lower tower lengths. Each tower length may also include several apertures or channels adapted to accommodate a cable joining all the tower lengths of the tower. Also, tower lengths may have a circular or polygonal outer ring made up of bracing elements, each bracing element arranged when assembled to brace one or more wedges.

Abstract: In certain embodiments, a tower lifting system comprises a primary lifting system and a secondary lifting system. The primary lifting system includes a lift cap configured to support a tower section to be lifted, the lift cap having a first plurality of hoists, and a lift pole coupled to the lift cap, the lift pole having a lifting mechanism configured to lift the lift cap, the lift pole, and the tower section to be lifted from within a previously lifted tower section. The secondary lifting system comprises a second plurality of hoists configured to raise the tower section to be lifted to the lift cap from a tower foundation.

Abstract: A reclosable mast (2) for drilling rig includes two opposed latticed structures (22), constrained at one end to the base structure (10) placed in the drilling site “P” and to each other, defining side faces (2b) of the mast (2). U-shaped structures, each include a rear bar (40), adapted to get compressed when closing the mast (2), and two side shoulders (41) parallel to each other and perpendicular to the an associated bar (40). The U-shaped structures are arranged at preset intervals between the two latticed structures (22), the rear bars defining the rear face or back (2a) of the mast (2). The mast (2) includes a diagonal members (3) located on the rear face 2a of the mast and constrained, between two superimposed U-shaped structures, the diagonal members (3) being adapted to split into at least two portions; reducing their longitudinal extension, and to allow reducing the dimension.

Abstract: Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: Present embodiments are directed to a top drive torque track system for a drilling rig. The torque track system includes a first elongate track with a male end. The male end includes a pin housing and a movable locking pin capable of being biased by a biasing member to extend out of the pin housing and to extend laterally from the male end. The torque track system includes a second elongate track having a female end configured to mate with the male end. The female end has a locking socket extending laterally within the female end. The locking socket is configured to receive the movable locking pin. The movable locking pin is configured to engage the locking socket to attach the first elongate track to the second elongate track when the male end of the first elongate track is inserted into the female end of the second elongate track.

Abstract: In one example arrangement, an immersive projection system includes an enclosure, and a number of projectors suspended outside and near the upper portion of the enclosure. The projectors project portions of a scene through openings in the enclosure and onto an inside surface of the enclosure. In some embodiments, light emanating from the projectors reflects from one or more mirrors before being cast onto the enclosure wall. The projectors and one or more mirrors may be mounted to a mounting frame that maintains the projectors and one or more mirrors in fixed spatial relationship, and the mounting frame may be mounted on a movable gantry for lifting the mounting frame to the upper portion of the enclosure. The enclosure may be a collapsible dome.

Abstract: In one example, we describe a method of construction and assembly for a very large wind power generator (or windmill or wind turbine unit), for sea, coast line, or in-land installment. In other examples, we describe the improvements on components of a wind power generator (or windmill or wind turbine unit). In one example, we describe a method of avoiding or minimizing problems with the weather forecasts or military radar interferences, for large wind mills or wind farms.

Abstract: Method and system for installing the guide rails (1, 2), such as the car guide rails and/or counterweight guide rails, in an elevator shaft (3). The guide rails are installed by assembly in phases starting from the bottom (4) of the elevator shaft by placing one on top of the other guide rail sections (51, 52; 61, 62; 71, 72 . . . ) that are shorter than the whole length of the guide rail and by aligning the guide rail sections perpendicularly by means of the laser beam produced by a direction laser (8). The direction laser (8) is moved upwards along with progressive assembly of the guide rail. As assembly progresses the direction laser (8) is supported in the proximity of the top end of the topmost vertically aligned guide rail section at the time for aligning the next guide rail section to be installed in the vertical direction. These phases are repeated until the entire guide rail is assembled.

Abstract: There is provided a drilling rig for use on a drilling platform, comprising a drilling mast having at least two segments and a feed carriage, said drilling mast being adapted to be constructed in such a manner that at least one segment is displaced upwardly by means of the feed carriage. A mounting method in accordance with the invention for a drilling mast having at least two segments comprises the following steps: fixing of a feed carriage, providing of a mast segment below the feed carriage, and displacing the mast segment upwardly by means of the feed carriage. Due to this, additional auxiliary devices for constructing the drilling mast are not required, and space may be saved.

Abstract: Structure and procedure for erecting concrete towers used in wind turbines in which said towers consist of sections, which in turn may each comprise a different number of segments or longitudinal sections. The procedure includes two differentiated cycles, which may take place alongside each other: the pre-assembly of each section of tower and their assembly. The sections may be pre-mounted on bases placed on the ground, with the segment in turn fitted with the help of struts and mechanical clamps. This procedure is extremely versatile in that it makes the best logistic use of the material, resources and requisite assembly times since the assembly procedures for each section can be developed alongside each other in the different wind farm towers, and also greater heights can be achieved than is traditionally possible.

Abstract: A prefabricated concrete pole base and adjustable method of connection and use to receive, support, and stabilize light poles and the like having different hole mounting patterns, securing the pole to the base and facilitating rapid installation of poles while eliminating the need for on-site concrete forms and lengthy concrete cure times.

Abstract: A prefabricated concrete pole base and adjustable method of connection and use to receive, support, and stabilize light poles and the like having different hole mounting patterns, securing the pole to the base and facilitating rapid installation of poles while eliminating the need for on-site concrete forms and lengthy concrete cure times.

Abstract: A wind power plant tower having a multiplicity of tower segments which are arranged one on top of the other and enclose an interior tower space, and at least two system components from the group of a conductor, a lighting and a climbing device for operating personnel arranged in the tower inner space. Segments for the system components are structurally combined with a beam to form a separate supply module spanning a number of tower segments. The laborious assembly of the system components can thus be carried out at ground level, and only the supply module thus completed, which spans a number of segments, is then mounted in the tower. This obviates the need for a considerable amount of work in the form of hazardous working in the tower.

Abstract: A tower lifting stand system and method is provided for use in lifting a large structure such as a transmission tower that is used in our power grid. A lifting mechanism engages a structure connected to the tower which work together to lift the tower once the lifting mechanism has been activated. Once the tower is lifted, a vertical extension section can be installed thus lifting the tower, and its associated power lines, vertically a predetermined distance.

Abstract: A method, a system, and a device for erecting a tower. The method comprises assembling proximate to the ground a base section, top section, and one or more intermediate sections of the tower into an assembled tower lying in a substantially horizontal first plane, the assembled tower comprising a top end including the top section and a bottom end including the base section. The method also includes orienting the attitude of the assembled tower using a lift initiator to lie in a second plane defining an acute angle to the first plane, so that the top end of the tower is higher in elevation than the bottom end. The method also includes lifting the assembled tower from the second plane to a vertical plane with a primary lift assembly and coupling the assembled tower to the foundation.

Abstract: A concrete tower construction has a foundation and a plurality of prefabricated concrete tower elements, each having an outside, an inside, a material thickness provided there between, and top and bottom surfaces. The tower elements have hollow centers and are arranged one tower element on top of another, forming a column on top of the foundation. Plural tendons arranged in the hollow center apply tension force to the column. An upper force distribution element is arranged on top of the column, and a lower force distribution element is arranged in the foundation. Each tendon is connected to the upper force distribution element and the lower force distribution element by cooperating attachments. Methods of erecting the tower construction, tower elements and a foundation are described.

Abstract: A transportable drilling rig having a self-elevating drill floor includes a base structure comprising multiple base towers that can be transported to a wellsite and positioned around an intended wellbore location. A horizontal base frame is installed between lower regions of the towers to form a stable rig base structure, and a drill floor can then be constructed over the base frame and between the base towers. A suitable rig mast can then be erected on the drill floor. Floor-lifting cables are anchored to upper regions of the base towers and disposable around corresponding sheave assemblies associated with the drill floor. The free ends of the floor-lifting cables can be engaged by the traveling block in the rig mast, whereupon the rig's drawworks can be actuated to elevate the drill floor and mast as required and then locked to the base towers.

Abstract: An antenna tower is provided having one or more antennae at the removed end thereof, which tower is configured for ease of maintenance of the antenna by a serviceman standing on the ground and servicing the antenna. Applicants' antenna tower includes a fixed vertical base or mast tube, fixed to the ground and having a removed end. At or near the removed end of the base tube, a swing tube is pivotally attached. The swing tube has a first end removably coupled to a near end of the base tube, and a removed end extending beyond the removed end of the base tube. Attached to the removed end of the swing tube is a pivotally mounted configured member or pivot tube. The pivotally mounted elongated member receives an antenna thereupon. The pivot tube is removably coupled to the swing tube to allow the pivot tube to rotate.

Abstract: A hollow column having a wall surrounding an inner space is erected. Pre-stressing cables comprising tendons and two cable terminations are pre-assembled. Each tendon is contained in a respective jacket with a protective substance. Each cable termination comprises a block for anchoring each tendon of a pre-stressing cable, a chamber filled with a protective substance on a rear side of the block and a sealing system closing the chamber opposite the block. Each tendon of the pre-stressing cable extends through the sealing system and has its jacket interrupted in the chamber. The pre-assembled pre-stressing cables are installed in the inner space of the hollow column, with the two terminations of each cable bearing against abutment portions provided at the upper and lower parts of the column. The pre-stressing cables can then be tensioned.

Abstract: A method for installing rig structure (e.g. cabin, house, a doghouse) on a drilling rig, the method including: connecting support apparatus to a substructure of a drilling rig, supporting a drilling floor; moving a movement apparatus supporting a rig structure to position it adjacent the support apparatus, by moving movement apparatus on ground adjacent the substructure, moving the support apparatus into a connecting orientation with respect to the structure; connecting raising apparatus to the structure, the raising apparatus connected to the support apparatus; raising the structure up to the drill floor with the raising apparatus; and securing the structure to the support apparatus. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: An erection method for a solar receiver and support tower provides a climbing assembly on the support tower to raise the solar receiver to its final elevation by progressively jacking and installing support tower sections to erect the tower and support the solar receiver.

Abstract: The invention relates to a connector assembly (20) for joining a main tower (102) to a base structure (104) where the axial alignment of the tower to the base structure needs to be adjustable, and to a method of using such a connector assembly to assemble a tower structure.