Abstract: A multilayered netlock girder system is disclosed. The system includes a plurality of brace members positioned in a predefined multilayered network pattern, whereby positioning the plurality of brace members in the predefined multilayered network pattern enable to form a rigid network between at least two chord members comprising a plurality of insertion provisions for enabling a secured insertion of the plurality of brace members into the at least two chord members, a plurality of structural interlocks formed as a result of predefined multilayered network pattern configured for a secured interlocking of the plurality of brace members together at the plurality of interlockable junctions.

Abstract: A temperature compensating outdoor wall padding apparatus in one embodiment incorporates a stretch fabric into the edges of a vinyl cover to provide a tension on the vinyl cover minimizing the possibility of wrinkling of the vinyl cover due to a change in temperature. In another embodiment, the temperature compensating outdoor wall padding apparatus may employ a resilient cover, stretchable in 4 directions and pre-tensioned to provide tension on the resilient cover minimizing the possibility of wrinkling of the resilient cover due to a change in temperature. Methods for forming the same are also disclosed.

Abstract: The object of the invention is a method for installing an elevator, in which method the guide rails of the car are installed by fixing the guide rail sections into position from the bottom upwards.

Abstract: A is provided for constructing a jump pit with a sand area. The form is constructed in sections. Each section has an inside wall and an outside wall. A support member is located between the outside wall and the inside wall. The sections are secured together onsite. Caps are mounted on the support members. The caps include an inclined surface which slops upwardly and away from the sand area forming the inclined surface. A cover over the sand area is supported by the inclined surface. Optionally, a chamber is located adjacent the outside wall. A grate covers the chamber and the grate is supported by a brace. A mat covers the grate. Openings in the grate and in the mat permit sand through them, thrown from the sand area to drop into the chamber.

Abstract: The instant disclosure relates to a system and method of constructing drilling and production platforms useful in remote, inaccessible and/or environmentally sensitive operating environments. According to one aspect of the invention, an arctic drilling platform is provided wherein various methods and means of interlocking neighboring platform modules are provided. Means for sealing the intersections formed between a plurality of interlocked platform modules are also disclosed. Other aspects comprise improved platform floor plans, with various wellhead cellar layouts and sealing means also being described. Methods and means of enhancing the usefulness of modular storage platforms are disclosed, and a number of support post installation and removal techniques are also provided. Also taught are methods and means of adjusting the height and level of an assembled drilling platform, and for adding extension members to extend the length of a support post as needed during installation, maintenance or operations.

Abstract: The present invention relates to a novel composite structure with enhanced toughness, which incorporates features mimicked from nacre (mother of pearl). The structure can be used in many industrial and clinical applications, including aeronautics (aircraft skin), the defense industry (armor materials); orthopedics and medical devices (tough, biocompatible coatings on prostheses) and micro-electro-mechanical systems (MEMS; increased reliability for critical components).

Abstract: A photovoltaic device is made using a method and a system disclosed herein. The method may comprise: providing a web of photovoltaic material; providing a web of interconnect material; cutting the web of photovoltaic material into a plurality of photovoltaic cells; cutting the web of interconnect material into a plurality of interconnects; providing a respective one of the plurality of interconnects between adjacent photovoltaic cells to electrically connect a first string of photovoltaic cells in series; and laminating the first string of photovoltaic cells which are electrically connected in series between a top laminating sheet and a bottom laminating sheet. The system may comprise: a first conveyor, an optical inspection apparatus, a removal apparatus, a sorter, a second conveyor, and an assembly apparatus configured to place an interconnect between adjacent photovoltaic cells to electrically connect a first string of photovoltaic cells in series.

Abstract: Provided are a stiffener for connecting a prestressed concrete beam and a method of constructing a structure using the same, in which the beam such as the prestressed concrete beam which is covered with concrete is connected to a target structure including a column structure or a girder. The stiffener is made up of a buried stiffener, an end face stiffener, and a joint stiffener, thereby enabling simple connection, excellent stress transmission, and very efficient construction of (building) structures.

Abstract: A compressible mineral fiber insulation element (1) having a first major surface (3) opposed to a second major surface (4), and having side surfaces (5) connecting the two major surfaces (3, 4) and defining a thickness of the insulation element (1). The thickness is at least 10 cm. The insulation element comprises a facing (20) provided with at least one extension flange (21) of which the outer end (22) is not secured to the insulation element. The facing (20) is attached to at least a part of the first major surface (3), and the extension flange (21) is prepared for extending over and covering a substantial part of the side surface (5) of the insulation element (1). A method of installing a compressible insulation element is also disclosed.

Abstract: An optical body including an optical layer having a belt-like or rectangular shape and having an incident surface on which light is incident, and a reflective layer formed in the optical layer and having a corner cube shape, wherein the reflective layer directionally reflects the light incident on the incident surface at an incident angle (?, ?), and a direction of a ridge of the corner cube shape is substantially parallel to a lengthwise direction of the belt-shaped or rectangular optical layer. ? is an angle formed by a perpendicular line with respect to the incident surface and the incident light incident on the incident surface or reflected light emerging from the incident surface, and ? is an angle formed by the ridge of the corner cube shape and a component resulting from projecting the incident light or the reflected light to the incident surface).

Abstract: The invention relates to a floor cove corner former (10, 40) for creating a corner between lengths of coving material (35) running along the wall-floor interface of two adjacent differently angled walls (31, 32, 61, 62). There is provided first and second portions (11, 12, 41, 42) each having an upper section (20, 49) that matches the profile of the walls and a lower section (21, 50) that defines the desired cove shape. The former (10, 40) also includes a floor engaging part (51) defined by the lower ends of the first and second portions (11,12, 41,42)) and wall engaging means (14, 44), defined by the upper sections of the first and second portions, which fit in or around the apex of the corner formed between the walls (31, 32, 61, 62). The upper and lower portions (20, 21, 49, 50) of each section define a surface (13, 43) to which the floor covering material (35) is mounted and the upper portions of those surfaces are arranged such that the angle between them corresponds to the angle between the two walls.

Abstract: The present invention relates to an adjustable racking system for transporting and mounting one or more solar panels to, for example, a rooftop.

Abstract: A method of deploying a cooperating set of prefabricated structure comprises positioning a first prefabricated structure including a first shell and a first extension nested within the first shell, the first shell and first extension having corresponding frames that form channels communicating electrical wiring. The method further comprises positioning a second prefabricated structure including a second shell and a second extension nested within the second shell, the second shell and second extension having corresponding frames that form channels communicating electrical wiring. The electrical wiring of the first prefabricated structure and the second prefabricated structure connect so that the first prefabricated structure and the second prefabricated structure share a common electrical system.

Abstract: A roof covering for a building having a roof with structured roof tiles and a structure projecting out from the roof surface, such as a chimney, a window, a wall, or ventilating pipe. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

Abstract: A drain support plate adapted to fasten to a receptacle body of a drain. The support plate includes a body having an inner surface and an outer surface and defining a first portion and a second portion. The first portion of the body defines a peripheral edge and the second portion of the body is attached to the peripheral edge of the first portion and axially extends therefrom. The inner surface of the first portion and the second portion of the body define an interior cavity. The first portion of the body defines a center passageway spaced radially apart from the peripheral edge and is adapted to receive a pipe. The first portion of the body defines at least one slot adapted to be aligned with the receptacle body for receiving a member for attaching the receptacle body to the body of the support plate.

Abstract: A composite material used to repair concrete. The composite material includes a first fiber system including at least one fiber layer. Each fiber layer includes a plurality of fibers. The binding material secures together the plurality of fibers. The composite material is positioned and secured in a slot cut in a concrete structure.

Abstract: An elevator, preferably an elevator without counterweight, comprising a number of diverting pulleys in the upper part of an elevator shaft or equivalent, a number of diverting pulleys in the lower part of the elevator shaft and a number of diverting pulleys on an elevator car, is installed in such manner that at least some of the diverting pulleys for the upper part are rigged in the lower part of the elevator shaft and at least some of the diverting pulleys from which the passage of the ropes is directed upwards are rigged at the same time. The diverting pulleys for the upper part thus rigged are raised in the rigged state to the upper part of the elevator shaft or equivalent and mounted in place.

Abstract: A system and method for mounting photovoltaic solar panels onto a roof. The system includes first and second strut rails spaced from the roof employing a series of standoffs, the strut rails having a length, cross section, a base and side walls, side walls terminating with first and second turned in edges. First and second mounting fixtures are attached to the photovoltaic solar panels which are of a type and geometry enabling the solar panels to be removably appended to the strut rails. The first and second mounting fixtures can be applied to the photovoltaic solar panels before being elevated to a roof.

Abstract: The drywall repair system comprises at least one drywall patch template. The drywall patch template comprises a square made of gypsum plaster as cut to a pre-determined repair-area-size, which is pressed between a first and a second paper boundary sheet layer. The first paper boundary sheet layer extends outwardly from the outer edge of the square made of gypsum plaster thereby creating a perimeter frame and comprises an area larger than the second paper boundary sheet layer which does not extend outwardly from the outer edge of the square made of gypsum plaster. The first paper boundary sheet layer, when the drywall patch template is installed, comprises tier which is located in front of the drywall wall and the square made of gypsum plaster is located within and adjacent the pre-cut hole in the drywall wall.

Abstract: A transition strip is used to install, replace, and repair a floor panel in a floating floor system. The transition strip is a film or tape that comprises plastic, vinyl, polyvinyl chloride, polyester, polyolefin, or nylon. The transition strip can be used to repair a floor panel by removing at least one of the floor panels in the floating floor system to form an opening therein. The transition strip is positioned in the opening such that a portion of a top side of the transition strip adheres to a bottom surface of a bottom layer of at least one floor panel adjacent the opening and a portion of a top side of the transition strip extends into the opening. A bottom surface of a bottom layer of a replacement floor panel is then adhered to the portion of the transition strip extending into the opening.

Abstract: A roof shingle peeler device which comprises a saw blade, a motor to operate the saw blade, a horizontal arm and skiis to regulate the depth of the saw blade, a wedge to remove the nails and shingles from the roof deck and enable the saw blade to cut the shingles into a predefined section, and a frame to facilitate the transportation of the predefined section of shingles for being received and collected into a bag for disposal. A hoist and return hoist are used to pull the roof shingle peeler device up and down the roof deck from the base to the crest while removing shingles.

Abstract: A method for installing an elevator may include stopping an elevator car or partially completed elevator car in the upper part of an elevator shaft; rigging first portions of hoisting ropes between the car and diverting pulleys in the upper part of the shaft so that the first portions pass via the diverting pulleys in the upper part of the shaft and first diverting pulleys on the car; moving the car to the lower part of the shaft, while supplying ropes from rope reels to the first portions between the car and the diverting pulleys in the upper part of the shaft; and rigging second portions of the hoisting ropes between the car and diverting pulleys in the lower part of the shaft so that the second portions pass via the diverting pulleys in the lower part of the shaft and second diverting pulleys on the car.

Abstract: The present invention pertains to the use of quaternary organic ammonium compounds for the reduction of efflorescence in building materials. In addition, a mixture containing at least one quaternary organic ammonium compound and at least one water-soluble organic polymer and, optionally, further additives is described. The mixture according to the invention can be prepared by a) at least one quaternary organic ammonium compound and at least one water-soluble organic polymer being mixed with one another in water and the obtained aqueous mixture optionally being subsequently dried, or b) at least one powdery quaternary organic ammonium compound and at least one powdery water-soluble organic polymer being mixed with one another, or c) at least one liquid and/or dissolved quaternary organic ammonium compound being applied on at least one powdery water-soluble organic polymer, in particular by means of spraying, adsorption, mixing, fluidized bed drying and/or granulation.

Abstract: An apparatus and method are proposed for incremental casting of concrete cantilever bridge sections (7, 12). The main trusses which form the load-bearing frames (3) of the apparatus are angularly splayed so that they are positioned outwards of the main load bearing webs of the to-be-constructed section (7) of the bridge, while still being supported on the webs of the already-constructed section (12) of the bridge. In this way, the region above and below the construction space is kept free for improved access.

Abstract: A surface repair kit includes an air-permeable breathable membrane coated with a premeasured amount of joint compound in its wet state. The membrane is suspended in a semi-rigid flexible frame and an opposing cover sheet is affixed over the compound around the backside of the frame. This framed composition is encased in an airtight package to prevent the compound from hardening. Included in the packaging may be a wall patch with an adhesive surface that holds a peel-off covering. Sandpaper may also be included in the kits since some repairs may require a final light sanding. The outside of the packaging carries simple printed instructions for the user to carry out the steps of peel, press and roll with accompanying illustrations so that drywall repairs can be carried out even by an unskilled novice.

Abstract: An elongated strap member that is coiled in a box and is bent lengthwise as it is drawn out of the box, providing an economical, light, compact means of connecting multiple structural members without sagging or other disadvantageous deformations between the structural members. The structural members are bridged by strap member. The end of the strap member is bent over.

Abstract: The combination of a building roof section and a flashing repositioning apparatus. The roof section has an upwardly facing surface, with an edge at which there is a fascia, and a depending flashing portion. The flashing repositioning apparatus has a flashing engaging assembly and a manipulating assembly. The flashing engaging assembly has a body defining a wedging surface and a guide surface. The guide surface is configured to be consistently located in a predetermined operative position against the fascia surface wherein the wedging surface is at a predetermined angle relative to the fascia surface. The wedging surface resides between the fascia surface and the flashing portion to define a gap into which a wall of a gutter can be directed.

Abstract: Method for constructing an elevator, more particularly an elevator that is used during the construction-time of the building, in which method the range of movement in the elevator hoistway of the elevator car of the elevator is changed in steps to extend higher in the elevator hoistway with stepped lifts of the supporting platform of the elevator car, and in which method the supporting platform is lifted higher in the elevator hoistway with hoisting means, and the support force needed for the lift is taken from the building via a support structure. In the method the supporting platform is moved in the longitudinal direction of the elevator hoistway while being supported on a support structure that is supported immovably on the building such that the point for taking support from the support structure moves upwards in connection with the lifting of the supporting platform.

Abstract: A composite member provides support to a structure. A wooden core of the composite member has a perimeter and a length. The wooden core provides support to the structure. A metal jacket is attached to the perimeter of the wooden core of the composite member and spans the entire length. The metal jacket provides also support to the structure. Furthermore, the interaction between the wooden core and the metal jacket provide a combination of strength that surpasses the sum of individual strengths.

Abstract: The invention therefore proposes an anchorage unit for anchoring at least one prestressing member, capable of being tensioned, onto a structural component to be strengthened or repaired by additional prestressing. The anchorage unit includes means of fixing onto the structural component and means of anchoring the prestressing member located adjacent to a first side of the anchorage unit oriented towards a regular section of the prestressing member. The fixing means are located adjacent to a second side, opposite the first side, of the anchorage unit, which is so provided that it may be put into traction when the prestressing member is tensioned.

Abstract: A synthetic flooring module and method of fabricating the module are disclosed. The flooring module comprises an extruded floor member composed of a chemical resin material which is unaffected by the complications inherent with wood flooring. The flooring module has a profile adapted to provide for the maximum strength under significant compressive loads normally inherent in supporting forklifts used in, for example tractor trailer flooring. The profile of the floor module provides a plurality of spaced apart supports can figure to provide the compressive strength noted above while employing a minimal amount of resent material. The volume between the spaced apart supports has a channel configuration and a substantially C-shaped profile. The profile in combination with the resent employed and the overall configuration of the supports provides for a structure having properties which exceed the properties inherent with wood or other materials previously used in the art.

Abstract: A method of relining a chimney includes: inserting a sleeve into a chimney; subsequently coating the sleeve with a flowable refractory material while the sleeve is positioned in the chimney. The flowable refractory material hardens on the sleeve to provide a refractory surface on the inner surface of the sleeve. The sleeve may be flexible or rigid, and may be lined with an insulating material. A high-temperature resistant fabric with an aluminum foil outer liner is preferred. The flowable refractory material may be a blend of inorganic materials and inert aggregates together with a high temperature resin bonding agent. The inert aggregates may include 50-80% Al2O3 and 10-40% SiO2.

Abstract: The tile roof batten spacer has a rectangular base with rounded ends for preventing water from pooling. The rounded ends extend upwardly above the base, and on an inner part of rounded ends there are gripping members that receive wooden battens for mounting concrete tiles thereon. The tile roof batten spacer is made from polypropylene plastic and saves energy on new residential houses by elevating the batten and the concrete tile by about one additional centimeter, or ? of an inch, from the sheathing. This provides ample room for the air to flow for better ventilation on the roof, as well as providing a greater area for drainage when water seeps through on to the sheathing. Thus, less energy is used to cool the home, and the roof lasts longer, since water will drain off the sheathing.

Abstract: Inflatable protective structures for sleeping, privacy and or containment are disclosed. A certain defined area that will consist of an inflatable sitting or sleeping area as well as a non inflatable area for such use as storage or changing. Said area to be enclosed by inflatable walls at two ends that are higher than the sleeping area high enough for a person to sit. Inflatable walls at each end act as support for a roof. Roof consisting of a light cloth like material which would enclose top, front and back and sides and bottom. Front and back of structure may include windows and a door for easy access. Alternatively cloth material could be partially removed with roof or walls only remaining. These Additional uses could be as a child or pet play pen and sleeping area. Unit could also be used without tent like covering.

Abstract: An electrical heating apparatus has: a fin brazed on at least one of a main body upper wall and a main body lower wall of a tube; an insertion unit having an electro-heat-generating element pressure-welded to a wall of one of the main body upper wall and the main body lower wall; and an edge part projecting in the width direction from each of main body vertical walls to form an edge space. The edge space is formed so as to be continuous with the insertion space and is smaller in thickness dimension than the thickness dimension of the insertion unit. The edge part has an edge part upper wall, an edge part lower wall, and an edge part vertical wall disposed in a concave shape.

Abstract: The present invention provides a supporting system for furniture, comprising; a rail (100), adapted to be mounted on a substantially vertical plane; and a projecting male member (200), connected to the rail (100), said male member projecting distally of said rail (100). The male member (200) provides a mounting plane transversal to the longitudinal direction of said rail, such that said male member (200) is configured to be enclosed by a mating female member (400). The female member (400) being located at a side piece of a furniture; said male member (200) and female member (400), in use, having two vertical support surfaces and at least one horizontal support surface each, arranged such that relative longitudinal displacement of male member (200) and female member (400) is hindered, and the horizontal support surface of the male member (200) supports the horizontal support surface of the female member (400), such that they allow horizontal mounting of the side piece on the rail (100).

Abstract: A theater (54) can be divided into a plurality of booths (64) by booth partition walls (68). By moving the booth partition walls (68), the plurality of booths (64) are combined to form a combined theater (66). When the theater (54) is divided in the plurality of booths (64), each booth (64) provides a booth picture in which images of visitors seated in the booth (64) are incorporated as characters. The combined theater (66) provides a combined-theater picture with the use of screens (70) of all the booths (64). Each booth (64) provides a default picture when a fault occurs in the function of generating a booth picture.

Abstract: A method of thermally insulating an object that requires a Class A standard insulation material, said method comprising suitably locating a metallized polymeric reflective insulation material adjacent said object, wherein said polymeric material is selected from a closed cell foam, polyethylene foam, polypropylene foam, expanded polystyrene foam, multi-film layers assembly and a bubble-pack assembly. The object is preferably packaging, a vehicle or a residential, commercial or industrial building or establishment. The polymeric material may contain a fire-retardant and the bright surface of the metallized layer has a clear lacquer coating to provide anti-corrosion properties, and which meets commercial reflectance criteria.

Abstract: The present invention provides a wallboard patching and repair system and method that are quick and easy to install and provides a stronger wall repair than available systems. The system allows a wall to be repaired with or without the use of mechanical fasteners. The invention comprises a system comprising, patch support members that are placed behind the edges of a damaged opening in wallboard and where a portion of each member is placed behind the wallboard at the edge of the opening and the remaining portion extends into the opening to support a wallboard patch. In one embodiment the invention is a kit comprising system components.

Abstract: A modular building panel and integrated duct system including at least one modular building panel. The modular building panel includes a panel frame defining a longitudinal, a transverse width, and a transverse height; first and second ducts including therein duct stiffeners being truss or zig-zag shaped; and a ribbed joist spanning between the first duct to the second duct along the transverse width. The modular building panel may be connected to a like modular building panel.

Abstract: A wall repair apparatus, system, and method to repair localized wall damage and easily support an installed wall repair patch are disclosed. The disclosed embodiments provide a convenient way to both position and align a wall repair patch with the outer face of the wall surface and support it in place from within the wall cavity. The wall repair apparatus supports and reinforces a wall repair patch to prevent the wall repair patch from moving within a repaired wall, thus causing further damage. The wall repair apparatus comprises a female interlocking member and a male interlocking member that are appropriately sized to securely fit inside of a wall cavity, behind a wall repair patch. A male interlocking member with annular rings is sized to fit within a female interlocking member to form a tension-fitted wall repair apparatus that spans a wall cavity and supports a wall repair patch.

Abstract: A mounting apparatus includes a releasable adhesive layer and an engaging layer. In one embodiment the mounting apparatus includes an elongate support member having an attaching face comprising a removable protective layer and an adhesive layer that is exposed when the protective layer is removed. The engagable layer may include a face portion angled from the attaching face that is adapted to engage with another mounting apparatus. A system of the invention includes two spaced apart mounting apparatus that define a receiving track for receiving a mounting apparatus attached to an object to be mounted. The mounting system comprises a first engagable mounting apparatus track attachable to an object and a second track attachable to a wall. The first track and the second track cooperatively engage one another such that the object will be secured in a level orientation on the wall with the first and second tracks.

Abstract: A skylight is provided that provides natural sunlight to rooms and areas of a building that do not have a direct view of the sun. The skylight provides a way for interior rooms of a building, for example, to receive natural light from a skylight overhead. Such skylight construction in buildings provides natural daylight to the interior of multi-tiered buildings and the benefits of a skylight accrue to the interior rooms of the multi-tiered building. Generally, this is accomplished by reflecting exterior natural light off one or more mirrors to a skylight in an interior room.

Abstract: A truss hinge that allows hinging between truss parts, and also allows configuration into a different size.

Abstract: In a computing system, a value that a user enters under guidance of a graphical user interface may be received for association with a field of a document. The received value is used to determine a value to be automatically associated with at least another field of the document. Information indicating the value received in the input field and a rule used in determining the value for the at least another input field are stored in one or more fields of the document associated with the at least another input field.

Abstract: A muntin clip supports a muntin grid inside an insulating glazing unit. The clip includes a positioning arm that allows the clip to be positioned with respect to the spacer. In one embodiment, the clip has a flat base adapted to be positioned on the inwardly facing surface of the spacer. The positioning arm extends from one side of the plate with the muntin-engaging body extending from the other side of the plate. The arm has an outer end that projects beyond the outer edge of the plate. A method for using the clip includes the step of using one of the glass sheets to engage and position the positioning arm of the muntin clip. Stops may be provided to limit the insertion of the clip into the spacer.

Abstract: Accordingly, this invention provides a method for constructing a building, the method comprising: (i) providing a supporting framework; (ii)providing at least one power generation member (10), the power generation member (10) comprising, in a discrete unit, a first layer and a second layer, wherein the first layer comprises support material (30, 32, 34) and the second layer comprises at least one energy converter for converting solar energy into heat and/or electricity (12, 14); and (iii) attaching the power generation member (10) to the framework such that the power generation member (10) is substantially self supporting and provides an outer surface of the building.

Abstract: This invention is an apparatus for repairing a hole in a surface with an adhesive mesh repair patch that is mechanically tensioned inward by a tensioning pin that is attached to a slat, and a method of using the same.

Abstract: A method for hanging an object and apparatus for accomplishing the same. The invention describes an apparatus comprising a track, an upper flange attached to a track, and a carrier disposed in said track. The carrier is laterally moveable along the length of the track. In one embodiment the apparatus comprises a top unit and a base unit. The top unit comprises pins, a track, at least one carrier, and a lower flange. The base unit is affixed to a ceiling, and the top unit is affixed to the base unit via the pins. In one embodiment the anchors are not visible from below. Further, in one embodiment, the lower flange acts as a moisture barrier to protect the anchors.

Abstract: A structure and method of designing and constructing a building that includes a core wall structure, a plurality of support walls attached to and cantilevered from the core wall structure, a plurality of floor structures arranged vertically and attached to the core wall structure so that each floor structure of the plurality of floor structures is supported from below by a first set of the plurality of support walls and from above by a second set of the plurality of support walls, a position of the second set of the plurality of support walls radially offset from a position of the first set of the plurality of support walls, and a plurality of openings in the core wall, wherein at least one opening is provided between any two successive floor structures and alternating openings in a vertical direction are arranged to align along an angle of vertical offset.